deprecation warning during compilation

Deprecation warning noted at uilib/formbuilderextra.cpp

g++ -c -m64 -D_XOPEN_SOURCE=600 -D_EXTENSIONS_ -std=c99 -O2 -Wall -W -D_REENTRANT -fPIC -DQT_NO_MTDEV -DQT_NO_LIBUDEV -DQT_NO_EVDEV -DQT_NO_XKB -DQT_BUILD_DESIGNER_LIB -DQT_BUILDING_QT -DQT_NO_CAST_TO_ASCII -DQT_ASCII_CAST_WARNINGS -DQT_MOC_COMPAT -DQT_USE_QSTRINGBUILDER -DQT_DEPRECATED_WARNINGS -DQT_DISABLE_DEPRECATED_BEFORE=0x050000 -DQDESIGNER_SDK_LIBRARY -DQDESIGNER_EXTENSION_LIBRARY -DQDESIGNER_UILIB_LIBRARY -DQDESIGNER_SHARED_LIBRARY -DQT_DESIGNER -DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_NO_DEBUG -DQT_WIDGETS_LIB -DQT_XML_LIB -DQT_GUI_LIB -DQT_CORE_LIB -I/tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/mkspecs/solaris-g++-64 -I. -I../../../../include -I../../../../include/QtDesigner -I../../../../include/QtDesigner/5.2.1 -I../../../../include/QtDesigner/5.2.1/QtDesigner -Iextension -Isdk -Ishared -I../../../shared/qtpropertybrowser -I../../../shared/deviceskin -I../../../shared/findwidget -I../../../shared/qtgradienteditor -Iuilib -I/tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtWidgets/5.2.1 -I/tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtWidgets/5.2.1/QtWidgets -I/tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include -I/tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtWidgets -I/tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtGui/5.2.1 -I/tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtGui/5.2.1/QtGui -I/tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtXml -I/tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtGui -I/tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtCore/5.2.1 -I/tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtCore/5.2.1/QtCore -I/tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtCore -I.moc -I/usr/X11/include -I.uic -o .obj/formbuilderextra.o uilib/formbuilderextra.cpp
cc1plus: warning: command line option '-std=c99' is valid for C/ObjC but not for C++ [enabled by default]
qhelpsearchindexwriter_clucene.cpp: In function 'QChar fulltextsearch::clucene::resolveEntity(const QString&)':
qhelpsearchindexwriter_clucene.cpp:350:62: warning: 'RandomAccessIterator qBinaryFind(RandomAccessIterator, RandomAccessIterator, const T&) [with RandomAccessIterator = const fulltextsearch::clucene::QTextHtmlEntity*; T = QString]' is deprecated (declared at /tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtCore/../../src/corelib/tools/qalgorithms.h:295) [-Wdeprecated-declarations]
const QTextHtmlEntity *e = qBinaryFind(start, end, entity);
^
In file included from /tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtCore/qalgorithms.h:1:0,
from /tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtCore/../../src/corelib/tools/qlist.h:45,
from /tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtCore/qlist.h:1,
from /tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtCore/../../src/corelib/kernel/qobject.h:51,
from /tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtCore/qobject.h:1,
from /tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtCore/QObject:1,
from ../../../include/QtHelp/../../src/assistant/help/qhelp_global.h:47,
from ../../../include/QtHelp/qhelp_global.h:1,
from qhelpenginecore.h:45,
from qhelpsearchindexwriter_clucene.cpp:43:
/tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtCore/../../src/corelib/tools/qalgorithms.h: In instantiation of 'RandomAccessIterator qBinaryFind(RandomAccessIterator, RandomAccessIterator, const T&) [with RandomAccessIterator = const fulltextsearch::clucene::QTextHtmlEntity*; T = QString]':
qhelpsearchindexwriter_clucene.cpp:350:62: required from here
/tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtCore/../../src/corelib/tools/qalgorithms.h:298:60: warning: 'RandomAccessIterator qLowerBound(RandomAccessIterator, RandomAccessIterator, const T&) [with RandomAccessIterator = const fulltextsearch::clucene::QTextHtmlEntity*; T = QString]' is deprecated (declared at /tank/home/sergey/build/qt-everywhere-opensource-src-5.2.1/qtbase/include/QtCore/../../src/corelib/tools/qalgorithms.h:227) [-Wdeprecated-declarations]
RandomAccessIterator it = qLowerBound(begin, end, value);
^