os: ANSI cleanups

os/utils.c

@@ -213,9 +213,7 @@ int auditTrailLevel = 1;
 static char *dev_tty_from_init = NULL;	/* since we need to parse it anyway */
 
 OsSigHandlerPtr
-OsSignal(sig, handler)
-    int sig;
-    OsSigHandlerPtr handler;
+OsSignal(int sig, OsSigHandlerPtr handler)
 {
     struct sigaction act, oact;
 

os/xdmcp.c

@@ -1590,9 +1590,7 @@ get_fromaddr_by_name(
 
 #if defined(IPv6) && defined(AF_INET6)
 static int
-get_mcast_options(argc, argv, i)
-    int	    argc, i;
-    char    **argv;
+get_mcast_options(int argc, char **argv, int i)
 {
     char *address = XDM_DEFAULT_MCAST_ADDR6;
     int hopcount = 1;