moved eDMImageLoaded constant here because this is the only place it is used.

git-svn-id: svn://10.0.0.236/trunk@15662 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/widget/src/xpwidgets/nsHTDataModel.h

@@ -56,6 +56,8 @@ public:
 	nsIImageGroup* GetImageGroup() const { NS_ADDREF(mImageGroup); return mImageGroup; }
 
 protected:
+	enum { cDMImageLoaded = 0 } ;
+
 	nsDataModelWidget* mListener; // Events are sent to the listening widget.
 	nsIImageGroup* mImageGroup; // Image group used for loading all images in the model.