ip: make local functions static
diff --git a/ip/ipmonitor.c b/ip/ipmonitor.c
index a9ff1e8..86c473e 100644
--- a/ip/ipmonitor.c
+++ b/ip/ipmonitor.c
@@ -37,8 +37,8 @@
 }
 
 
-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 = (FILE*)arg;