Removed inclusion of win.h.

diff --git a/dlls/comctl32/rebar.c b/dlls/comctl32/rebar.c
index 6de3a13..64b381a 100644
--- a/dlls/comctl32/rebar.c
+++ b/dlls/comctl32/rebar.c
@@ -97,7 +97,6 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "win.h"
 #include "winbase.h"
 #include "wingdi.h"
 #include "wine/unicode.h"