plugin memory leaks detected (including sql driver)

#include <QtGui/QApplication>
#include <QtSql>

#if defined(WIN32) && defined(_DEBUG)
#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
#define DEBUG_NEW new( _NORMAL_BLOCK, __FILE__, __LINE__ )
#define new DEBUG_NEW
#endif

int main(int argc, char *argv[])
{
#if defined(_MSC_VER) && defined(_DEBUG)
	_CrtSetDbgFlag ( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
#endif

	QApplication a(argc, argv);

	QSqlDatabase* pDB = NULL;
	pDB = new QSqlDatabase(QSqlDatabase::addDatabase("QODBC", "newConnectionName"));
	if(pDB){
		delete pDB;
		pDB = NULL;
		QSqlDatabase::removeDatabase("newConnectionName");
	}

	return 0;
}

'TestQt.exe': Loaded 'E:\DevelWin\Testing\TestQt\build\win32\Debug\TestQt.exe', Symbols loaded.
'TestQt.exe': Loaded 'C:\Windows\System32\ntdll.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\kernel32.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\KernelBase.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Qt\4.8.2vs2010\bin\QtGuid4.dll', Symbols loaded.
'TestQt.exe': Loaded 'C:\Windows\System32\gdi32.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\user32.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\lpk.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\usp10.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\msvcrt.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\comdlg32.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\shlwapi.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\advapi32.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\sechost.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\rpcrt4.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\shell32.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\oleaut32.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\ole32.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\imm32.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\msctf.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\winmm.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\winspool.drv', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Qt\4.8.2vs2010\bin\QtCored4.dll', Symbols loaded.
'TestQt.exe': Loaded 'C:\Windows\System32\ws2_32.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\nsi.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\msvcp100d.dll', Symbols loaded.
'TestQt.exe': Loaded 'C:\Windows\System32\msvcr100d.dll', Symbols loaded.
'TestQt.exe': Loaded 'C:\Qt\4.8.2vs2010\bin\QtSqld4.dll', Symbols loaded.
'TestQt.exe': Loaded 'C:\Windows\System32\uxtheme.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\dwmapi.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\cryptbase.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Qt\4.8.2vs2010\plugins\sqldrivers\qsqlodbcd4.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\odbc32.dll', Cannot find or open the PDB file
'TestQt.exe': Loaded 'C:\Windows\System32\odbcint.dll', Binary was not built with debug information.
Detected memory leaks!
Dumping objects ->
{2861} normal block at 0x00DDDE00, 76 bytes long.
 Data: <d  ]           ]> 64 E2 98 5D 00 DD DD 00 00 00 00 00 FC B8 AE 5D 
{2860} normal block at 0x00DDDD00, 12 bytes long.
 Data: <   `       `> E8 D7 1C 60 00 DE DD 00 D4 D7 1C 60 
{2856} normal block at 0x00DDFE08, 128 bytes long.
 Data: <    6   3       > 01 00 00 00 36 00 00 00 33 00 00 00 1A FE DD 00 
{2106} normal block at 0x00DDF4E8, 64 bytes long.
 Data: <                > 01 00 00 00 16 00 00 00 13 00 00 00 FA F4 DD 00 
{2079} normal block at 0x00DDF420, 56 bytes long.
 Data: <   `           ]> 00 00 1B 60 D8 FB DD 00 08 FE DD 00 B4 B9 AE 5D 
{2077} normal block at 0x00DDFBD8, 122 bytes long.
 Data: <    3   3       > 01 00 00 00 33 00 00 00 33 00 00 00 EA FB DD 00 
{257} normal block at 0x00DD6E98, 40 bytes long.
 Data: <        @B      > 00 00 00 00 CC CD CD CD 40 42 0F 00 00 00 00 00 
{256} normal block at 0x00DD6DE0, 120 bytes long.
 Data: < l ] m         ]> 9C 6C 99 5D 98 6D DD 00 00 00 00 00 FC B8 AE 5D 
{255} normal block at 0x00DD6D98, 8 bytes long.
 Data: <\l ] m  > 5C 6C 99 5D E0 6D DD 00 
{254} normal block at 0x00DD6D30, 40 bytes long.
 Data: <        @B      > 00 00 00 00 CC CD CD CD 40 42 0F 00 00 00 00 00 
{253} normal block at 0x00DD6CB8, 60 bytes long.
 Data: <     m          > 01 00 00 00 98 6D DD 00 F0 08 00 00 00 CD CD CD 
Object dump complete.
The program '[796] TestQt.exe: Native' has exited with code 0 (0x0).