From: Hermet Park <hermetpark@gmail.com>
Date: Thu, 10 Jan 2019 05:15:07 +0000 (+0900)
Subject: evas vg: clear mask buffer properly.
X-Git-Tag: submit/tizen/20190116.045417~45
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c304b0acc3671370c687d6dbf340be96dc4c6823;p=platform%2Fupstream%2Fefl.git

evas vg: clear mask buffer properly.

when mask buffer is reused, it must be cleared first.
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