[Bug 39904] Suppress "You must use msvcrt when building in Unicode/MBCS mode" error when __MSVCRT__ is defined (-mno-cygwin)

https://bugs.winehq.org/show_bug.cgi?id=39904

Anthony Fok  changed:

What    |Removed                     |Added
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  Attachment #53294|Show "You must use msvcrt   |include: Suppress "use
        description|when building in            |msvcrt" error in tchar.h
                   |Unicode/MBCS mode" error    |when -mno-cygwin is used
                   |only if                     |
                   |!defined(__MSVCRT__)        |