sd-bus: initialize mutex after we allocated the wqueue
That way the mutex doesn't have to be destroyed when we exit early due
to OOM.
(cherry picked from commit 2fe9a10d7695c4c3a748969a0d1662c624e50e5e)
Related: CVE-2020-1712
patch_name: 0311-sd-bus-initialize-mutex-after-we-allocated-the-wqueu.patch
present_in_specfile: true
location_in_specfile: 311
squash_commits: true