reorder includes to avoid warning.
fixes rest of bug #62
diff --git a/zebra/rtadv.c b/zebra/rtadv.c
index f7d336c..bfe8f63 100644
--- a/zebra/rtadv.c
+++ b/zebra/rtadv.c
@@ -34,8 +34,8 @@
 #include "zebra/interface.h"
 #include "zebra/rtadv.h"
 #include "zebra/debug.h"
-#include "zebra/zserv.h"
 #include "zebra/rib.h"
+#include "zebra/zserv.h"
 
 extern struct zebra_privs_t zserv_privs;