Get the new channel once we reconnect

Author: chrisb-cd

src/Queue/RabbitMQQueue.php

@@ -140,7 +140,7 @@ public function pop($queue = null)
             $this->channel->close();
             $this->connector->reconnect();
             $this->connection = $this->connector->connection();
-            $this->getChannel();
+            $this->channel = $this->getChannel();
         }
 
         return null;