Ticket 49209 - Hang due to omitted replica lock release
Bug Description:
When an operation is canceled (failure), its csn is aborted
and removed from the pending list.
If at that time the pending list is empty or the csn is not found
in that list, the cancel callback forgots to release the replica lock
Fix Description:
Release replica lock systematically, whether cnsplRemove fails or not
https://pagure.io/389-ds-base/issue/49209
Reviewed by: Mark Reynolds (thanks Mark !!)
Platforms tested: F23
Flag Day: no
Doc impact: no