[gnome-taquin] Fix icon in about dialog.

[Arnaud B. <arnaudb src gnome org>]

commit ca2a6ebb9aa3c79f66f7443202c388219ea5c60b
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Mon Jan 21 16:41:47 2019 +0100

    Fix icon in about dialog.
    
    The old-style icon name was still in use.

 src/taquin-main.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/taquin-main.vala b/src/taquin-main.vala
index cad1edd..05f0743 100644
--- a/src/taquin-main.vala
+++ b/src/taquin-main.vala
@@ -426,7 +426,7 @@ private class Taquin : Gtk.Application, BaseApplication
         /* Translators: about dialog text */
         copyright = "Copyright \xc2\xa9 2014-2019 – Arnaud Bonatti";  // TODO translation; autogen, to not 
change each year?
         documenters = { "Arnaud Bonatti" };
-        logo_icon_name = "gnome-taquin";
+        logo_icon_name = "org.gnome.Taquin";
         program_name = Taquin.PROGRAM_NAME;
 
         /* Translators: about dialog text; this string should be replaced by a text crediting yourselves and 
your translation team, or should be left empty. Do not translate literally! */