ip: make local functions static
diff --git a/bridge/monitor.c b/bridge/monitor.c
index 29bb931..e96fcaf 100644
--- a/bridge/monitor.c
+++ b/bridge/monitor.c
@@ -46,8 +46,8 @@
 	return 0;
 }
 
-int accept_msg(const struct sockaddr_nl *who,
-	       struct nlmsghdr *n, void *arg)
+static int accept_msg(const struct sockaddr_nl *who,
+		      struct nlmsghdr *n, void *arg)
 {
 	FILE *fp = arg;