Fix typos/bugs (#351)

@@ -128,7 +128,7 @@ def create_recognizer(args):
         rule3_min_utterance_length=300,  # it essentially disables this rule
         decoding_method=args.decoding_method,
         provider=args.provider,
-        hotwords_file=agrs.hotwords_file,
+        hotwords_file=args.hotwords_file,
         hotwords_score=args.hotwords_score,
     )
     return recognizer

@@ -95,6 +95,7 @@ struct OnlineRecognizerConfig {
                          const std::string &hotwords_file, float hotwords_score)
       : feat_config(feat_config),
         model_config(model_config),
+        lm_config(lm_config),
         endpoint_config(endpoint_config),
         enable_endpoint(enable_endpoint),
         decoding_method(decoding_method),