INT 21 - Novell NetWare - SYNCHRONIZATION SERVICES - RELEASE LOGICAL RECORD
        AH = D2h
        DS:DX -> semaphore identifier (counted string up to 99 chars long)
Return: AL = status
            00h successful
            FFh no such record
Desc:   unlock the logical record name but do not remove it from the log table
Notes:  this function is supported by NetWare 4.0+, Advanced NetWare 1.0+,
          Banyan VINES, and Alloy NTNX
        locks on logical record names are advisory and may be ignored by other
          applications
SeeAlso: AH=D0h,AH=D3h,AH=D4h