Alexandre Julliard : opengl32: Mark invalid handles with ffff instead of 0.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 8b97ff3278d98e1b9db55a028cc902f5b690c02a
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=8b97ff3278d98e1b9db55a028c...

Author: Alexandre Julliard <julliard(a)winehq.org>
Date:   Mon Jul 16 14:50:01 2012 +0200

opengl32: Mark invalid handles with ffff instead of 0.

---

 dlls/opengl32/wgl.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/opengl32/wgl.c b/dlls/opengl32/wgl.c
index 815dc42..4545cfa 100644
--- a/dlls/opengl32/wgl.c
+++ b/dlls/opengl32/wgl.c
@@ -164,7 +164,7 @@ static HGLRC alloc_handle( struct wgl_context *context, const struct wgl_funcs *
 
 static void free_handle_ptr( struct wgl_handle *ptr )
 {
-    ptr->handle &= ~0xffff;
+    ptr->handle |= 0xffff;
     ptr->context = (struct wgl_context *)next_free;
     ptr->funcs = NULL;
     next_free = ptr;