[gtk+] Ensure skipped row between sections has a nonzero height

[William Jon McCann <mccann src gnome org>]

commit 482195d7888696527557cc6af6ab3ecb4bd4ba5b
Author: Jon McCann <jmccann redhat com>
Date:   Wed Mar 21 15:54:45 2012 -0400

    Ensure skipped row between sections has a nonzero height
    
    https://bugzilla.gnome.org/show_bug.cgi?id=672587

 gtk/gtkaboutdialog.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkaboutdialog.c b/gtk/gtkaboutdialog.c
index 67945b6..db00487 100644
--- a/gtk/gtkaboutdialog.c
+++ b/gtk/gtkaboutdialog.c
@@ -2361,6 +2361,8 @@ add_credits_section (GtkAboutDialog *about,
     }
 
   /* skip one at the end */
+  label = gtk_label_new ("");
+  gtk_grid_attach (grid, label, 1, *row, 1, 1);
   (*row)++;
 }