make the TRAN_GROUP an unsigned long

diff --git a/openbox/client.h b/openbox/client.h
index 3ab555b00097706f63e7f7044ac5ebb96055a75d..18f1b23aefe74b582351d6c46f8f22d28cdac9a1 100644 (file)
--- a/openbox/client.h
+++ b/openbox/client.h
@@ -11,7 +11,7 @@ struct Group;
 
 /* The value in client.transient_for indicating it is a transient for its
    group instead of for a single window */
-#define TRAN_GROUP ((void*)~0l)
+#define TRAN_GROUP ((void*)~0ul)
 
 /*! Holds an icon in ARGB format */
 typedef struct Icon {