Fix double release of fast mutex

reactos/subsys/win32k/ntuser

diff -u -r1.93 -r1.94
--- winpos.c	21 Feb 2004 13:13:27 -0000	1.93
+++ winpos.c	21 Feb 2004 13:37:26 -0000	1.94
@@ -16,7 +16,7 @@

  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */

-/* $Id: winpos.c,v 1.93 2004/02/21 13:13:27 navaraf Exp $

+/* $Id: winpos.c,v 1.94 2004/02/21 13:37:26 gvg Exp $

  *
  * COPYRIGHT:        See COPYING in the top level directory
  * PROJECT:          ReactOS kernel

@@ -1282,9 +1282,9 @@

 	      Point->y < Current->ClientRect.bottom)
 	    {
 	      USHORT ChildHitTest;

-	      ExReleaseFastMutexUnsafe(&ScopeWin->ChildrenListLock);

 	      if(WinPosSearchChildren(Current, Point, Window, &ChildHitTest))
 	      {

+                ExReleaseFastMutexUnsafe(&ScopeWin->ChildrenListLock);

 	        *HitTest = ChildHitTest;
 	        return TRUE;
 	      }