add missing newline at end of file

src/app/pluginmanager/qgsapppluginmanagerinterface.cpp

@@ -96,4 +96,4 @@ void QgsAppPluginManagerInterface::addToRepositoryList( QMap<QString, QString> r
 void QgsAppPluginManagerInterface::pushMessage( const QString &text, QgsMessageBar::MessageLevel level, int duration )
 {
   mPluginManager->pushMessage( text, level, duration );
-}
+}