Update rabbitmq-components.mk

Author: dumbbell

rabbitmq-components.mk

@@ -203,7 +203,7 @@ export current_rmq_ref
 
 ifeq ($(origin base_rmq_ref),undefined)
 ifneq ($(wildcard .git),)
-possible_base_rmq_ref := v3.7.x
+possible_base_rmq_ref := master
 ifeq ($(possible_base_rmq_ref),$(current_rmq_ref))
 base_rmq_ref := $(current_rmq_ref)
 else