Ticket #47750 - Creating a glue fails if one above level is a conflict or missing
Description: This commit accidentally removed the code to decrementing
the reference count for the backend instance.
Commit: 160cb3f686e433c01532d28770b2977ec957e73e
Ticket #47750 - Creating a glue fails if one above level is a conflict or missing;
Thanks to mreynolds@redhat.com for finding this out.
(cherry picked from commit 788a48fa98bb33a6601d7a198aa63b46d12ad78d)
(cherry picked from commit dfbc46a8574fdb5a2aef5a2ce1ea48400ba263aa)
(cherry picked from commit f18411d98a441f26f1ef2246b62e84b72ce39ec4)