QmlJSEditor: Compile fix

Change-Id: Ida9dda777993be01561b299d17a2e9d712b66432
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/qmljseditor/qmljseditordocument.h

@@ -67,7 +67,7 @@ protected:
     void triggerPendingUpdates();
 
 private:
-    friend class QmlJSEditorDocumentPrivate; // sending signals
+    friend class Internal::QmlJSEditorDocumentPrivate; // sending signals
     Internal::QmlJSEditorDocumentPrivate *m_d;
 };