getopt returns an int, not a char. Make sure that we store the

variable in an int to avoid casting to an unsigned value which causes
the comparison with -1 to fail.

PR:		123807
Submitted by:	Matthew Luckie
Reviewed by:	keramida@
MFC after:	1 week

usr.sbin/timed/timed/timed.c

@@ -134,7 +134,7 @@ main(argc, argv)
 	struct nets *nt;
 	struct sockaddr_in server;
 	u_short port;
-	char c;
+	int c;
 
 #ifdef lint
 	ntip = NULL;