INT 21 - Novell NetWare - SYNCHRONIZATION SERVICES - RELEASE FILE               
	AH = ECh
	DS:DX -> ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. filename
Return: AL = status
	    00h successful
	    FFh file not found
Desc:	unlock the specified file but retain it in the log table
Note:	this function is supported by NetWare 4.6+, Advanced NetWare 1.0+, and
	  Alloy NTNX
SeeAlso: AH=CDh,AH=EBh"NetWare",AH=EDh"NetWare"