[baobab] Update About dialog for new icon design

[Stefano Facchini <sfacchini src gnome org>]

commit 7843db10183fa136a4e1b27bbcf0d554bdf5b30b
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Tue Oct 9 16:56:57 2018 +0200

    Update About dialog for new icon design

 data/icons/Makefile.am | 61 --------------------------------------------------
 src/baobab-window.vala |  2 +-
 2 files changed, 1 insertion(+), 62 deletions(-)
---
diff --git a/src/baobab-window.vala b/src/baobab-window.vala
index f34d900..345aac8 100644
--- a/src/baobab-window.vala
+++ b/src/baobab-window.vala
@@ -302,7 +302,7 @@ namespace Baobab {
 
             Gtk.show_about_dialog (this,
                                    "program-name", _("Baobab"),
-                                   "logo-icon-name", "baobab",
+                                   "logo-icon-name", "org.gnome.baobab",
                                    "version", Config.VERSION,
                                    "comments", _("A graphical tool to analyze disk usage."),
                                    "copyright", copyright,