libgnt/libgnt

Bump our C standard to C17

14 months ago, Gary Kramlich
1cb23c87a22e
Bump our C standard to C17

Testing Done:
Compiled on Debian unstable. I didn't bother testing the other platforms and we verified this already in /r/2248.

Reviewed at https://reviews.imfreedom.org/r/2251/
// SPDX-FileCopyrightText: 2021 GNOME Foundation
// SPDX-License-Identifier: LGPL-2.1-or-later
// A map between namespaces and base URLs for their online documentation
baseURLs = [
[ 'GLib', 'https://docs.gtk.org/glib/' ],
[ 'GObject', 'https://docs.gtk.org/gobject/' ],
]