[PATCH 0/1] MR922: odbc: SQLGetInfoW allow NULL parameter InfoValue.

[Alistair Leslie-Hughes (＠alesliehughes)]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=53714

MSDN states, a NULL InfoValue parameter will return as the length.
unixODBC which we currently use, handles this scenario.

Signed-off-by: Alistair Leslie-Hughes