[gtkmm: 3/3] Merge branch 'wip/dboles/rgba-construct-doubles-4' into 'master'

[Daniel Boles <dboles src gnome org>]

commit c115a85577783f00eb42b9fc0d910662c21bf207
Merge: cbc63406 fa758097
Author: Daniel Boles <dboles src gmail com>
Date:   Tue Dec 18 18:03:06 2018 +0000

    Merge branch 'wip/dboles/rgba-construct-doubles-4' into 'master'
    
    Gdk::RGBA: Add constructor taking doubles r,g,b,a
    
    See merge request GNOME/gtkmm!7

 gdk/src/rgba.ccg | 10 +++++++---
 gdk/src/rgba.hg  |  8 ++++++++
 2 files changed, 15 insertions(+), 3 deletions(-)
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