[gnome-tweaks/piotrdrag/gtk-minus-plus] app: Lose the plus in GTK+

[Piotr Drąg <piotrdrag src gnome org>]

commit 412d6c3fd642d0886680fbb3c738e3e614a98480
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Fri Feb 22 17:33:43 2019 +0100

    app: Lose the plus in GTK+
    
    It has been renamed, see:
    
    https://mail.gnome.org/archives/gtk-devel-list/2019-February/msg00000.html

 gtweak/app.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtweak/app.py b/gtweak/app.py
index 9435c9d..c243ed1 100644
--- a/gtweak/app.py
+++ b/gtweak/app.py
@@ -81,7 +81,7 @@ class GnomeTweaks(Gtk.Application):
         else:
             about_comment = _("GNOME Shell is not running")
 
-        about_comment += "\n" + _("GTK+") + " %d.%d.%d" % \
+        about_comment += "\n" + _("GTK") + " %d.%d.%d" % \
             (Gtk.get_major_version(), Gtk.get_minor_version(), Gtk.get_micro_version())
         aboutdialog.set_comments(about_comment)