Merge from amd64 branch:

Merge from amd64 branch:

46478
[CRT]
- define _CRTBLD
- rename float_t/double_t/long_double_t to float_s/double_s/long_double_s to avoid name conflicts

46511
[FREELDR]
snprintf -> _snprintf

46534
[CRT]
- Set crt="static" in freeldr, rtl, bmfs, ftfd, rtl, mini_hal
- define "CRTDLL" in ntdll, crtdll, msvcrt, msvcrt20, msvcrt40

46535
[CRT HEADERS]
- add _mingw_mac.h from ming-w64 and include it into _mingw.h
- Update _CRTIMP definition
- Fix definition of _wctype
- onexit is not _CRTIMP

46537
[MINGW]
Update mingw library to mingw-w64 trunk (mingw-w64-src_20100325)

46538
Apply MSVC compilation fix.

46539
[MINGW]
Apply MSVC compilation fixes

svn path=/trunk/; revision=46597