[Interest] widgets: mini combo-box (popup) draws wrong on windows

[David M. Cotter]

on mac, i have a "mini" style popup (combo-box), looks like this:


See the dual up/down chevrons to the right of the genre text edit? that is a combo box just made small. looks good. and it pops up correctly:


On Windows, it looks fine when not popped up, but when it IS, it's totally broken:


is there a way to have the unclicked control be one width, but the dropdown list view be a different width? 

it works in the previous iteration of my app (32bit):

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