[Bug 27177] advapi32: CRYPT_UnicodeToANSI use signed int for string size

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=27177

--- Comment #2 from Alexandex Yastrebov <menone7 at gmail.com> 2011-08-03 20:21:49 CDT ---
The problem is that some functions pass DWORD(unsigned int) as buffer size,
accepted from the application, but  should correctly handle values ​​like
0xdeadbeaf. Example CryptEnumProvidersA. WideCharToMultiByte however not
obliged to correctly handle a negative buffer size.

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