[gdl/gnome-3-6] gdl-dock-notebook: Fix gtk theme warning.

[Johannes Schmid <jhs src gnome org>]

commit 0800bd79670ddcb20346efe4c6422000b6caf133
Author: Carl-Anton Ingmarsson <ca ingmarsson gmail com>
Date:   Thu Nov 15 23:54:27 2012 +0100

    gdl-dock-notebook: Fix gtk theme warning.
    
    Gtk-WARNING **: Theme parsing error: <data>:2:10: Not using units is deprecated. Assuming 'px'.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=688431

 gdl/gdl-dock-notebook.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gdl/gdl-dock-notebook.c b/gdl/gdl-dock-notebook.c
index 68d693a..d4fa256 100644
--- a/gdl/gdl-dock-notebook.c
+++ b/gdl/gdl-dock-notebook.c
@@ -124,7 +124,7 @@ gdl_dock_notebook_class_init (GdlDockNotebookClass *klass)
     GdlDockItemClass   *item_class;
     static const gchar notebook_style[] =
        "* {\n"
-           "padding: 2;\n"
+           "padding: 2px;\n"
        "}";
 
     g_object_class = G_OBJECT_CLASS (klass);