Int 2F Fn 7002  - License Service API - Release License                    [N]

   AX = 7002h
   CX = license server index (0000h to 001Fh)
   DS:DX -> SLSRELEASE structure (see below)
   ES:BX = provider specific handle for the license context

Return: AL = status
       00h not installed
       FFh installed

See Also: AX=7001h,AX=7005h

Format of SLSRELEASE structure:
Offset Size    Description
 00h   DWORD   handle indentifying license context
 04h   DWORD   total units consumed
 08h   DWORD   address of comment string