INT 21 O - Novell NetWare, Alloy NTNX - RELEASE FILE (FCBsee File Control Block)
	AH = CCh
	DS:DX -> FCBsee File Control Block (see #01345 at AH=0Fh)
Return: none
Desc:	unlocks file, but does not remove it from the log table or close it
Note:	this function was added in NetWare 4.0, but was removed some time prior
	  to Advanced NetWare 2.15, and is no longer listed in current Novell
	  documentation
SeeAlso: AH=CAh,AH=CDh