user32: Check both A and W proc for previously allocated winprocs.

Some apps get a winproc as A and then set it again as W.
diff --git a/dlls/user32/winproc.c b/dlls/user32/winproc.c
index 59d432d..c6e49f2 100644
--- a/dlls/user32/winproc.c
+++ b/dlls/user32/winproc.c
@@ -98,8 +98,9 @@
 
     for (i = 0; i < winproc_used; i++)
     {
-        if (funcA && winproc_array[i].procA != funcA) continue;
-        if (funcW && winproc_array[i].procW != funcW) continue;
+        /* match either proc, some apps confuse A and W */
+        if (funcA && winproc_array[i].procA != funcA && winproc_array[i].procW != funcA) continue;
+        if (funcW && winproc_array[i].procA != funcW && winproc_array[i].procW != funcW) continue;
         return &winproc_array[i];
     }
     return NULL;