MRP-1944 ldlm: handle REPLAY|RESENT correctly

fix for the original patch,
do not remove the lock from the resource

Signed-off-by: Vitaly Fertman <vitaly_fertman@xyratex.com>
Change-Id: I461608878d40d6bba4e23179a7379de835d526c3
Reviewed-on: http://es-gerrit.xyus.xyratex.com:8080/3038
Reviewed-by: Andriy Skulysh <andriy_skulysh@xyratex.com>
Reviewed-by: Alexander Boyko <alexander_boyko@xyratex.com>
Tested-by: Jenkins
Tested-by: Alexander Lezhoev <alexander_lezhoev@xyratex.com>