improve voicemail

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@6399 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/formats/mod_local_stream/mod_local_stream.c

@@ -237,6 +237,7 @@ static switch_status_t local_stream_file_read(switch_file_handle_t *handle, void
 		*len = need / 2;
 	}
 	switch_mutex_unlock(context->audio_mutex);
+	handle->sample_count += *len;
 	return SWITCH_STATUS_SUCCESS;
 }