HICON Patches - Request for reviews

[Joel Holdsworth]

Hi All,

I've been working on alpha support in HICONs and HIMAGELISTs. This patch
set includes my earlier test patch (plus modifications as per the
comments), and fixes up DrawIcon, DrawIconEx and
CURSORICON_CreateIconFromBMI.

I've tested the test patch on 2k, XP, and Vista - but any other test
platforms would be welcome, and any comments on the other 4 patches
before I submit them.

Best Regards
Joel Holdsworth