Merge pull request #580 from tinyema/fix-trtl-daemon

fix trtl daemon get_info

lib/api.js

@@ -567,7 +567,7 @@ function getNetworkData (callback, rpcMode) {
 	// Try get_info RPC method first if available (not all coins support it)
 	if (rpcMode === 'get_info') {
 		apiInterfaces.rpcDaemon('get_info', {}, function (error, reply) {
-			if (error) {
+			if (error || !reply) {
 				getNetworkData(callback, 'getlastblockheader');
 				return;
 			} else {