INT 2F - WinDOS v2.11 - FREE XMSsee Extended Memory Specification BLOCKS
	AX = AF11h
Return: nothing
Desc:	free all XMSsee Extended Memory Specification blocks whose XMSsee Extended Memory Specification identification value (see AX=AF12h)
	  equals the current PSPsee Program Segment Prefix
SeeAlso: AX=AF00h"WinDOS",AX=AF12h"WinDOS",INT 21/AH=50h