INT 21 - Novell NetWare - DIRECTORY SERVICES - RENAME DIRECTORY                 
	AH = E2h subfn 0Fh
	DS:SI -> request buffer (see #01864)
	ES:DI -> reply buffer (see #01863)
Return: AL = status (00h,8Bh,9Bh,9Ch,9Eh) (see #01839)
Notes:	this function is supported by NetWare 4.0+, Advanced NetWare 1.0+, and
	  Alloy NTNX
	directories SYS:LOGIN, SYS:MAIL, and SYS:PUBLIC must not be renamed
SeeAlso: AH=56h,AH=E2h/SF=0Ah,AH=E2h/SF=0Bh,AX=F216h/SF=0Fh


Format of NetWare "Rename Directory" request buffer:
Offset	Size	Description	(Table 01864)
 00h	WORD	length of following data (max 111h)
 02h	BYTE	0Fh (subfunction "Rename Directory")
 03h	BYTE	directory handle
 04h	BYTE	length of directory path (00h-FFh)
 05h  N BYTEs	directory path
	BYTE	length of new directory name (01h-0Eh)
      N BYTEs	new directory name
SeeAlso: #01863