[Bug 26632] MultiByteToWideChar with MB_ERR_INVALID_CHARS doesn't fail for some code points.

http://bugs.winehq.org/show_bug.cgi?id=26632

--- Comment #13 from Sagawa  2011-04-03 09:35:28 CDT ---
Created an attachment (id=33916)
 --> (http://bugs.winehq.org/attachment.cgi?id=33916)
testcase for the patch

(In reply to comment #11)
> This should be done in libs/wine/mbtowc.c,check_invalid_chars_dbcs() instead.

Thank you for your comments.
Third hunk of the patch is for check_invalid_chars_dbcs().

Why did I patch into check_invalid_chars_sbcs()? Because some SBCS codepages,
e.g. CP1255, have a same problem. Attached test case examines these behavoir.