Unreviewed Qt build fix for r70496.

        * bridge/qt/qt_instance.cpp:
        (JSC::Bindings::QtInstance::numberValue):
        * bridge/qt/qt_pixmapruntime.cpp:
        (JSC::Bindings::QtPixmapWidthField::valueFromInstance):
        (JSC::Bindings::QtPixmapHeightField::valueFromInstance):
        * bridge/qt/qt_runtime.cpp:
        (JSC::Bindings::convertValueToQVariant):
        (JSC::Bindings::convertQVariantToValue):
        (JSC::Bindings::QtRuntimeMetaMethod::lengthGetter):
        (JSC::Bindings::QtRuntimeConnectionMethod::lengthGetter):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@70503 268f45cc-cd09-0410-ab3c-d52691b4dbfc