g_lock: Fix uninitalized variable reads
If dbwrap_watched_watch_recv() returns IO_TIMEOUT, "blockerdead" might
be an uninitialized non-false, and further down we'll remove the wrong
exclusive locker.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=14636
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Fri Mar 5 11:22:07 UTC 2021 on sn-devel-184
(cherry picked from commit
654c18a244f060d81280493a324b98602a69dbbf)
Autobuild-User(v4-12-test): Karolin Seeger <kseeger@samba.org>
Autobuild-Date(v4-12-test): Mon Mar 8 08:51:39 UTC 2021 on sn-devel-184