fix Cylix#168 by locking m_psubscribed_channels mutex in reconnect pr…

…ocess

sources/core/subscriber.cpp

@@ -400,7 +400,8 @@ subscriber::connection_disconnection_handler(network::redis_connection&) {
  }
 
  //! Lock the callbacks mutex of the base class to prevent more subscriber commands from being issued until our reconnect has completed.
- std::lock_guard<std::mutex> lock_callback(m_subscribed_channels_mutex);
+ std::lock_guard<std::mutex> sub_lock_callback(m_subscribed_channels_mutex);
+ std::lock_guard<std::mutex> psub_lock_callback(m_psubscribed_channels_mutex);
 
  while (should_reconnect()) {
  sleep_before_next_reconnect_attempt();