qt4projectmanager: replace <QtGui/QApplication> in template by <QApplication>

It's more portable nowadays.

Change-Id: I4f6c00e1758a34ab83a378ce8335664ae93a2f40
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/qt4projectmanager/wizards/guiappwizard.cpp

@@ -262,7 +262,7 @@ bool GuiAppWizard::parametrizeTemplate(const QString &templatePath, const QStrin
         return false;
     QString contents = QString::fromUtf8(reader.data());
 
-    contents.replace(QLatin1String("%QAPP_INCLUDE%"), QLatin1String("QtGui/QApplication"));
+    contents.replace(QLatin1String("%QAPP_INCLUDE%"), QLatin1String("QApplication"));
     contents.replace(QLatin1String("%INCLUDE%"), params.headerFileName);
     contents.replace(QLatin1String("%CLASS%"), params.className);
     contents.replace(QLatin1String("%BASECLASS%"), params.baseClassName);