rabbitmq: backport of RABBITMQ_ERR_CREATE needed for handling allocation error

(cherry picked from commit f764cef139d55adb5d38ffc6a1a65fd14bda5f4c)

src/modules/rabbitmq/rabbitmq.h

@@ -49,6 +49,7 @@ typedef enum
 	RABBITMQ_ERR_CHANNEL,
 	RABBITMQ_ERR_QUEUE,
 	RABBITMQ_ERR_PUBLISH,
+	RABBITMQ_ERR_CREATE,
 	RABBITMQ_ERR_SOCK,
 	RABBITMQ_ERR_CONSUME,
 	RABBITMQ_ERR_NULL,