Compiler warnings fixes round 1.
diff --git a/ospfd/ospf_nsm.c b/ospfd/ospf_nsm.c
index 14c75df..dd5ba7b 100644
--- a/ospfd/ospf_nsm.c
+++ b/ospfd/ospf_nsm.c
@@ -640,7 +640,7 @@
   },
 };
 
-static char *ospf_nsm_event_str[] =
+const static char *ospf_nsm_event_str[] =
 {
   "NoEvent",
   "HelloReceived",