Freshclam patch to resolve IPv4, IPv6 addresses only if a global addr…

…ess is configured, so as not to attempt IPv6 connections from machines where IPv6 isn't available. Patch courtesy of Guilherme Benkenstein.

freshclam/manager.c

@@ -231,6 +231,7 @@ wwwconnect (const char *server, const char *proxy, int pport, char *ip,
     hints.ai_family = AF_INET;
 #endif
     hints.ai_socktype = SOCK_STREAM;
+    hints.ai_flags    = AI_ADDRCONFIG;
     snprintf (port_s, sizeof (port_s), "%d", port);
     port_s[sizeof (port_s) - 1] = 0;
     ret = getaddrinfo (hostpt, port_s, &hints, &res);