QmlDesigner: Fix spelling

Change-Id: I0667340c83b8c8ec5ffc965fe239c9a5b7891c9f
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
(cherry picked from commit 28413a81)
Reviewed-by: Marco Bubke <marco.bubke@digia.com>

src/plugins/qmldesigner/designercore/include/viewmanager.h

@@ -71,7 +71,7 @@ public:
 
     void resetPropertyEditorView();
 
-    void resisterFormEditorTool(AbstractFormEditorTool *tool); // takes ownership
+    void registerFormEditorTool(AbstractFormEditorTool *tool); // takes ownership
     void registerView(AbstractView *view);
 
     QList<WidgetInfo> widgetInfos();

src/plugins/qmldesigner/designercore/model/viewmanager.cpp

@@ -88,7 +88,7 @@ void ViewManager::resetPropertyEditorView()
     m_propertyEditorView.resetView();
 }
 
-void ViewManager::resisterFormEditorTool(AbstractFormEditorTool *tool)
+void ViewManager::registerFormEditorTool(AbstractFormEditorTool *tool)
 {
     m_formEditorView.registerTool(tool);
 }