Fixed compiler warnings: proper use of const.

darcs-hash:20070521153502-77cd4-9ba19c606f32af8de37099cbb6935e7a5073d440.gz

local/local.c

@@ -76,7 +76,7 @@ nice_list_local_interfaces ()
 
           iface = g_slice_new0 (NiceInterface);
           iface->name = g_strdup (i->ifa_name);
-          nice_address_set_from_sockaddr_in (&(iface->addr), addr);
+          nice_address_set_from_sockaddr (&(iface->addr), (const struct sockaddr *)addr);
           ret = g_slist_append (ret, iface);
         }
     }