[WIN32K]

[WIN32K]
More improvements to region.c:
- PROSRGNDATA -> REGION, void -> VOID, int -> INT, uppercase struct names
- do not put assignments into if statements
- !x -> x == NULL for pointers
- Add additional parentheses / curly braces
- rename RGN_ATTR::Flags to iComplexity

svn path=/trunk/; revision=65720