[Bug 38622] gdiplus should return PixelFormat32bppARGB instead of PixelFormat8bppIndexed for a grayscale PNG file

https://bugs.winehq.org/show_bug.cgi?id=38622

David Korth  changed:

What    |Removed                     |Added
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  Attachment #55621|0                           |1
        is obsolete|                            |

--- Comment #10 from David Korth  ---
Created attachment 55622
  --> https://bugs.winehq.org/attachment.cgi?id=55622
Sample grayscale PNG image.

I uploaded the wrong image; that one actually has an alpha channel.

This one does not, and is the one that GDI+ was incorrectly reporting as having
alpha.