[NTVDM]

[NTVDM]
- In INT 21h, AH = 0Ah, the final carriage return is not counted.
- Implement XMS function 0Bh (Move Extended Memory Block).
- The driver must preserve the contents of unlocked Extended Memory Blocks (EMBs),
so move the bitmap setting/clearing code into XmsAlloc and XmsFree.
- Make XmsAlloc optimize memory blocks by moving them around, except it can't
move locked blocks.

svn path=/trunk/; revision=67457