[PATCH v2] comctl32: Correctly draw disabled toolbar button which contains 32 bpp bitmap with alpha channel.

[Ziqing Hui]

v2: check has_alpha in imagelist.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=24784
Signed-off-by: Ziqing Hui <zhui at codeweavers.com>
---
 dlls/comctl32/imagelist.c |  5 +++++
 dlls/comctl32/toolbar.c   | 12 ++++++++++++
 include/commctrl.h        |  2 ++
 3 files changed, 19 insertions(+)


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