compctld syslog(): %lu -> %zu for CMSG_LEN()

Pointed out by Stick.

compctld.c

@@ -180,7 +180,7 @@ sockerror:
 		struct cmsghdr *cmsg;
 		cmsg = CMSG_FIRSTHDR(&msg);
 		if (cmsg == NULL || cmsg->cmsg_len != CMSG_LEN(sizeof(*cred))) {
-			syslog(LOG_INFO, "want %lu", CMSG_LEN(sizeof(*cred)));
+			syslog(LOG_INFO, "want %zu", CMSG_LEN(sizeof(*cred)));
 			errmsg = "cmsg";
 			goto sockerror;
 		}