Minimap: revert change from RGBA to Indexed

@kilbith spotted correctly that I had accidentally removed the
"soft" edging on the minimap overlay by converting it from RGBA
to Indexed, which killed the transparent pixels on the edging.
This commit is contained in:
Auke Kok 2016-04-10 11:03:16 -07:00 committed by kwolekr
parent d7908ee494
commit 3b43e7e87c

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