Subject: Emacs built without GTK+3 on Linux still shows old icon as application icon

From: Yegor Timoshenko <[email-masked]>
Date: Tue, 9 Jan 2018 17:41:42 +0000

See: http://i.imgur.com/NDbEiGi.png

Compare the icon between two Emacs versions built with different
toolkits. X toolkit backend still uses the old one.