INT 2F - DBLSPACE.BIN - "GetFileFragmentSpace" - GET SIZE OF FRAGMENT HEAP
	AX = 4A11h
	BX = 0008h
	DL = compressed drive number (0=A:)
Return: AX = status (0000h,0102h) (see also #02804)
	    0000h successful
		BX = maximum entries in File Fragment heap
		CX = available entries in File Fragment heap
SeeAlso: AX=4A11h/BX=0000h,AX=4A11h/BX=0007h,AX=4A11h/BX=0009h