- Set the BaseObject.hHmgr field in GDIOBJ_AllocObj

- Set the BaseObject.hHmgr field in GDIOBJ_AllocObj
- rename RGNDATA_ functions to REGION_ to have a consistent naming.
- move REGION prototypes to region.h
- rename REGION_AllocRgn to REGION_AllocRgnWithHandle and make it return a pointer to a locked region.
- rename UnsafeIntGetRgnBox to REGION_GetRgnBox
- rename UnsafeIntRectInRegion to REGION_RectInRegion
- remove UnsafeIntUnionRectWithRgn maco
- implement REGION_SetRectRgn and call it from NtGdiSetRectRgn
- reorder some parameters
- remove REGION_CropRgn, use REGION_CropAndOffsetRegion instead
- Implement UserShowCursor based on the code from NtUserCallOneParam and call it from inside the switch statement.

svn path=/trunk/; revision=32713