fix listen and listen1 to use the right fds for
accept and reject.

Reference: /n/sources/patch/applied/listen-accept
Date: Wed Aug 25 18:56:03 CES 2004

--- /sys/src/cmd/aux/listen.c	Wed Aug 25 18:56:02 2004
+++ /sys/src/cmd/aux/listen.c	Wed Aug 25 18:56:02 2004
@@ -287,7 +287,7 @@
 		 */
 		switch(rfork(RFFDG|RFPROC|RFNOWAIT|RFENVG|RFNAMEG|RFNOTEG)){
 		case -1:
-			reject(ctl, ndir, "host overloaded");
+			reject(nctl, ndir, "host overloaded");
 			close(nctl);
 			continue;
 		case 0:
@@ -299,10 +299,10 @@
 				if(!quiet)
 					syslog(1, listenlog, "%s: unknown service '%s' from '%s': %r",
 						proto, s.serv, s.remote);
-				reject(ctl, ndir, "connection refused");
+				reject(nctl, ndir, "connection refused");
 				exits(0);
 			}
-			data = accept(ctl, ndir);
+			data = accept(nctl, ndir);
 			if(data < 0){
 				syslog(1, listenlog, "can't open %s/data: %r", ndir);
 				exits(0);
--- /sys/src/cmd/aux/listen1.c	Wed Aug 25 18:56:03 2004
+++ /sys/src/cmd/aux/listen1.c	Wed Aug 25 18:56:02 2004
@@ -92,11 +92,11 @@
 
 		switch(rfork(RFFDG|RFPROC|RFNOWAIT|RFENVG|RFNAMEG|RFNOTEG)){
 		case -1:
-			reject(ctl, ndir, "host overloaded");
+			reject(nctl, ndir, "host overloaded");
 			close(nctl);
 			continue;
 		case 0:
-			fd = accept(ctl, ndir);
+			fd = accept(nctl, ndir);
 			if(fd < 0){
 				fprint(2, "accept %s: can't open  %s/data: %r", argv[0], ndir);
 				_exits(0);