QtQuick2ApplicationViewer: properly resolve install paths

This is a port of commit 2982545d to also apply it to
the qtquick2applicationviewer.cpp template.

Change-Id: Ia9d964d9fc98ea957c52aea783c6148449552755
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

share/qtcreator/templates/qtquick2app/qtquick2applicationviewer/qtquick2applicationviewer.cpp

@@ -29,11 +29,15 @@ QString QtQuick2ApplicationViewerPrivate::adjustPath(const QString &path)
 #elif defined(Q_OS_QNX)
     if (!QDir::isAbsolutePath(path))
         return QString::fromLatin1("app/native/%1").arg(path);
-#elif defined(Q_OS_UNIX) && !defined(Q_OS_ANDROID)
-    const QString pathInInstallDir =
+#elif !defined(Q_OS_ANDROID)
+    QString pathInInstallDir =
             QString::fromLatin1("%1/../%2").arg(QCoreApplication::applicationDirPath(), path);
     if (QFileInfo(pathInInstallDir).exists())
         return pathInInstallDir;
+    pathInInstallDir =
+            QString::fromLatin1("%1/%2").arg(QCoreApplication::applicationDirPath(), path);
+    if (QFileInfo(pathInInstallDir).exists())
+        return pathInInstallDir;
 #endif
     return path;
 }

src/plugins/qt4projectmanager/wizards/qtquickapp.cpp

@@ -227,7 +227,7 @@ QByteArray QtQuickApp::generateFileExtended(int fileType,
 
 int QtQuickApp::stubVersionMinor() const
 {
-    return m_componentSet == QtQuick20Components ? 3 : 23;
+    return m_componentSet == QtQuick20Components ? 4 : 23;
 }
 
 QList<AbstractGeneratedFileInfo> QtQuickApp::updateableFiles(const QString &mainProFile) const