From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 20 Oct 2015 16:31:41 +0000 (+0300)
Subject: Use float rather than unsigned for refresh rate
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=9ffb9f22faf7c540083e6df828500d54aabcbb56;hp=9ffb9f22faf7c540083e6df828500d54aabcbb56;p=libs%2Fgui.git

Use float rather than unsigned for refresh rate

Display::set_mode now accepts a rate which is within +-0.5 Hz of
requested and chooses the closest match if there are more than one.
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