Fix indentation

Author: nyalldawson

src/app/qgisapp.h

@@ -1170,7 +1170,7 @@ class APP_EXPORT QgisApp : public QMainWindow, private Ui::MainWindow
     void labeling();
 
     //! shows the map styling dock
-    void mapStyleDock(bool enabled);
+    void mapStyleDock( bool enabled );
 
     //! diagrams properties
     void diagramProperties();