fix missing await

Author: lohanidamodar

templates/dart/lib/client.dart.twig

@@ -80,17 +80,17 @@ class Client {
         try {
 
             if(headers['content-type'] == 'multipart/form-data') {
-                return http.request(path, data: FormData.fromMap(params), options: options);
+                return await http.request(path, data: FormData.fromMap(params), options: options);
             }
 
             if (method == HttpMethod.get) {
                 params.keys.forEach((key) {if (params[key] is int || params[key] is double) {
                 params[key] = params[key].toString();
                 }});
 
-                return http.get(path, queryParameters: params, options: options);
+                return await http.get(path, queryParameters: params, options: options);
             } else {
-                return http.request(path, data: params, options: options);
+                return await http.request(path, data: params, options: options);
             }
         } on DioError catch(e) {
           if(e.response == null) {