fix 'Set Group WMS data' layer action connection

Author: jef-n

src/app/qgsapplayertreeviewmenuprovider.cpp

@@ -76,7 +76,7 @@ QMenu* QgsAppLayerTreeViewMenuProvider::createContextMenu()
 
       menu->addAction( actions->actionRenameGroupOrLayer( menu ) );
 
-      menu->addAction( tr( "&Set Group WMS data" ), QgisApp::instance(), SLOT( legendGroupSetWMSData() ) );
+      menu->addAction( tr( "&Set Group WMS data" ), QgisApp::instance(), SLOT( legendGroupSetWmsData() ) );
 
       menu->addAction( actions->actionMutuallyExclusiveGroup( menu ) );