[PATCH] msvcrt: Use mbtowc/wctomb for string conversion in printf.

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=47664

Your paranoid android.


=== wxppro (32 bit report) ===

msvcrt:
printf.c:799: Test failed: r = 0

=== w2003std (32 bit report) ===

msvcrt:
printf.c:799: Test failed: r = 0