r10082 "wctc4xxp: Cleanup in-flight commands when halting due to
hardware error." introduced a lock imblance on the error path where the
cmd_list_lock would be unlocked twice when the board is halted due to a
hardware error. Thanks sparse.
Signed-off-by: Shaun Ruffell <sruffell@digium.com>
git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@10138 a0bf4364-ded3-4de4-8d8a-66a801d63aff