INT 21 u - LAN Manager Enhanced DOS - DosDeleteMailslot                         
	AX = 5F4Eh
	BX = handle
Return: CF clear if successful
	    ES:DI -> memory to be freed (allocated during DosMakeMailslot)
	CF set on error
	    AX = error code
SeeAlso: AX=5F4Dh,AX=5F4Fh