Rename namespace DIFFEditor to DiffEditor.

Change-Id: Ia87098de61f38530806e1cf87b69d0bfc66e250c
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/diffeditor/diffeditorwidget.h

@@ -49,7 +49,7 @@ QT_END_NAMESPACE
 
 
 
-namespace DIFFEditor {
+namespace DiffEditor {
 
 class DiffViewEditorWidget;
 
@@ -154,6 +154,6 @@ private:
     int m_rightSafePosHack;
 };
 
-} // namespace DIFFEditor
+} // namespace DiffEditor
 
 #endif // DIFFEDITORWIDGET_H