Fix streaming over the external IP address when discovered via mDNS

Limelight/Network/MDNSManager.m

@@ -51,7 +51,7 @@ static NSString* NV_SERVICE_TYPE = @"_nvstream._tcp";
     for (NSNetService* service in services) {
         if (service.hostName != nil) {
             Host* host = [dataMan createHost];
-            host.address = service.hostName;
+            host.activeAddress = host.address = service.hostName;
             host.name = host.address;
             [hosts addObject:host];
         }