Memory leak at Qt 4.8.1

int main(int argc, char** argv)
{
    QApplication a(argc,argv);
    QTimer t;
    a.connect(&t, SIGNAL(timeout()), &a, SLOT(quit()));
    t.start(1000);
    return a.exec();
}

==1716== 242 (96 direct, 146 indirect) bytes in 1 blocks are definitely lost in loss record 103 of 138
==1716== at 0x4A07F7B: operator new(unsigned long) (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==1716== by 0x67000EE: QLibraryPrivate::findOrCreate(QString const&, QString const&) (in /home/ssc/devel/ICOSOFT/EXTLIBS/Qt4/4.8.1/linux/gcc44/lib/libQtCore.so.4)
==1716== by 0x6700564: QLibrary::setFileNameAndVersion(QString const&, int) (in /home/ssc/devel/ICOSOFT/EXTLIBS/Qt4/4.8.1/linux/gcc44/lib/libQtCore.so.4)
==1716== by 0x670061B: QLibrary::QLibrary(QString const&, int, QObject*) (in /home/ssc/devel/ICOSOFT/EXTLIBS/Qt4/4.8.1/linux/gcc44/lib/libQtCore.so.4)
==1716== by 0x543E59E: qt_init(QApplicationPrivate*, int, _XDisplay*, unsigned long, unsigned long) (in /home/ssc/devel/ICOSOFT/EXTLIBS/Qt4/4.8.1/linux/gcc44/lib/libQtGui.so.4)
==1716== by 0x53D05D1: QApplicationPrivate::construct(_XDisplay*, unsigned long, unsigned long) (in /home/ssc/devel/ICOSOFT/EXTLIBS/Qt4/4.8.1/linux/gcc44/lib/libQtGui.so.4)
==1716== by 0x53D0EB3: QApplication::QApplication(int&, char**, int) (in /home/ssc/devel/ICOSOFT/EXTLIBS/Qt4/4.8.1/linux/gcc44/lib/libQtGui.so.4)
==1716== by 0x4009E1: main (main.cpp:9)
==1716==
==1716== LEAK SUMMARY:
==1716== definitely lost: 480 bytes in 5 blocks
==1716== indirectly lost: 622 bytes in 13 blocks
==1716== possibly lost: 0 bytes in 0 blocks
==1716== still reachable: 76,607 bytes in 911 blocks
==1716== suppressed: 960 bytes in 4 blocks
==1716== Reachable blocks (those to which a pointer was found) are not shown.
==1716== To see them, rerun with: --leak-check=full --show-reachable=yes
==1716==
==1716== For counts of detected and suppressed errors, rerun with: -v
==1716== ERROR SUMMARY: 5 errors from 5 contexts (suppressed: 9 from 9)