CID 2669: Using freed pointer "file".

Index: ftpd.c
===================================================================
RCS file: /cvsroot/src/libexec/ftpd/ftpd.c,v
retrieving revision 1.172
diff -u -r1.172 ftpd.c
--- ftpd.c	25 Feb 2006 02:28:55 -0000	1.172
+++ ftpd.c	17 Mar 2006 15:02:56 -0000
@@ -1980,6 +1980,7 @@
 			break;
 		conerrno = errno;
 		(void) fclose(file);
+		file = NULL;
 		data = -1;
 		if (conerrno == EADDRINUSE) {
 			sleep((unsigned) swaitint);