Just changing keyword expansion

git-svn-id: https://svn.pjsip.org/repos/pjproject/main@3 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjlib/include/pj/rbtree.h b/pjlib/include/pj/rbtree.h
index b099768..67efe2e 100644
--- a/pjlib/include/pj/rbtree.h
+++ b/pjlib/include/pj/rbtree.h
@@ -1,4 +1,6 @@
-/* $Header: /pjproject-0.3/pjlib/include/pj/rbtree.h 5     10/14/05 12:26a Bennylp $ */
+/* $Id$
+ *
+ */
 
 #ifndef __PJ_RBTREE_H__
 #define __PJ_RBTREE_H__