[jimtabor] 65743: - Fix a crash while moving minimized MDI window in ConTEXT.

Author: jimtabor
Date: Thu Dec 18 22:38:40 2014
New Revision: 65743

URL: http://svn.reactos.org/svn/reactos?rev=65743&view=rev
Log:
- Fix a crash while moving minimized MDI window in ConTEXT.

Modified:
    trunk/reactos/win32ss/user/ntuser/defwnd.c

Modified: trunk/reactos/win32ss/user/ntuser/defwnd.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/ntuser/defwnd…
==============================================================================
--- trunk/reactos/win32ss/user/ntuser/defwnd.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/ntuser/defwnd.c	[iso-8859-1] Thu Dec 18 22:38:40 2014
@@ -599,7 +599,7 @@
        * so we must unreference whatever cursor was current at the time we restored the
old one.
        * Maybe it is DragCursor, but maybe it is another one and DragCursor got already
freed.
        */
-      UserDereferenceObject(OldCursor);
+      if (OldCursor) UserDereferenceObject(OldCursor);
 #else
       IntDestroyCursor( hDragCursor, FALSE );
 #endif