Set version field in totem header in case it isn't set by default.

git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@2340 fd59a12c-fef9-0310-b244-a6a79926bd2f

exec/totempg.c

@@ -669,6 +669,7 @@ int callback_token_received_fn (enum totem_callback_token_type type,
 		pthread_mutex_unlock (&mcast_msg_mutex);
 		return (0);
 	}
+	mcast.header.version = 0;
 	mcast.fragmented = 0;
 
 	/*
@@ -796,6 +797,7 @@ static int mcast_msg (
 		return(-1);
 	}
 
+	mcast.header.version = 0;
 	for (i = 0; i < iov_len; ) {
 		mcast.fragmented = 0;
 		mcast.continuation = fragment_continuation;