MFC rev. 1.34: LK_DRAIN'ed lockmgr needs to be released, so fix a wrong behaviour.
MFC rev. 1.34:
LK_DRAIN'ed lockmgr needs to be released, so fix a wrong behaviour.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase