[PATCH] msvcrt: support I width modifier in *scanf* family

[Marvin]

Hi,

While running your changed tests, 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=100455

Your paranoid android.


=== w864 (64 bit report) ===

msvcrt:
scanf.c:289: Test failed: sprintf returned 10

=== w1064v1507 (64 bit report) ===

msvcrt:
scanf.c:289: Test failed: sprintf returned 10

=== w1064v1809 (64 bit report) ===

msvcrt:
scanf.c:289: Test failed: sprintf returned 10

=== w1064 (64 bit report) ===

msvcrt:
scanf.c:289: Test failed: sprintf returned 10

=== w1064_2qxl (64 bit report) ===

msvcrt:
scanf.c:289: Test failed: sprintf returned 10

=== w1064_tsign (64 bit report) ===

msvcrt:
scanf.c:289: Test failed: sprintf returned 10

=== w10pro64 (64 bit report) ===

msvcrt:
scanf.c:289: Test failed: sprintf returned 10

=== w10pro64_ar (64 bit report) ===

msvcrt:
scanf.c:289: Test failed: sprintf returned 10

=== w10pro64_he (64 bit report) ===

msvcrt:
scanf.c:289: Test failed: sprintf returned 10

=== w10pro64_ja (64 bit report) ===

msvcrt:
scanf.c:289: Test failed: sprintf returned 10

=== w10pro64_zh_CN (64 bit report) ===

msvcrt:
scanf.c:289: Test failed: sprintf returned 10

=== debiant2 (64 bit WoW report) ===

msvcrt:
scanf.c:289: Test failed: sprintf returned 10