File silence-z.patch of Package netcat-openbsd

Index: netcat-openbsd-1.89/netcat.c
===================================================================
--- netcat-openbsd-1.89.orig/netcat.c	2008-06-19 16:33:52.000000000 -0400
+++ netcat-openbsd-1.89/netcat.c	2008-06-19 16:34:58.000000000 -0400
@@ -364,7 +364,7 @@
 				continue;
 
 			ret = 0;
-			if (vflag || zflag) {
+			if (vflag) {
 				/* For UDP, make sure we are connected. */
 				if (uflag) {
 					if (udptest(s) == -1) {