Added XXX comment to a particularly nasty piece of code...

widget/src/windows/nsWindow.cpp

@@ -1088,6 +1088,7 @@ void* nsWindow::GetNativeData(PRUint32 aDataType)
         case NS_NATIVE_WINDOW:
             return (void*)mWnd;
         case NS_NATIVE_GRAPHIC:
+            // XXX:  This is sleezy!!  Remember to Release the DC after using it!
             return (void*)::GetDC(mWnd);
         case NS_NATIVE_COLORMAP:
         default: