Fixed minor memleak with zip links (a few k per server link).

Changes

@@ -1873,3 +1873,4 @@ seen. gmtime warning still there
   outgoing server connections, you could for example enable this if you are linking two servers
   with an often changing host (like dyndns.org).
 - Documentation updates for nodnscache.
+- Fixed minor memleak with zip links.

src/list.c

@@ -149,7 +149,7 @@ aClient *make_client(aClient *from, aClient *servr)
 
 void free_client(aClient *cptr)
 {
-	if (MyClient(cptr))
+	if (MyConnect(cptr))
 	{
 		if (cptr->passwd)
 			MyFree((char *)cptr->passwd);