Added support for more than one nameserver under NT

Rev: lib/modules/Protocols.pmod/DNS.pmod:1.34

lib/modules/Protocols.pmod/DNS.pmod

@@ -284,7 +284,7 @@ class client {
 
 #if __NT__
       domain=get_tcpip_param("Domain");
-      nameservers = ({ get_tcpip_param("NameServer") });
+      nameservers = get_tcpip_param("NameServer") / " ";
       domains=get_tcpip_param("SearchList") / " "- ({""});
 #else
       string resolv_conf;