[pygobject] Make an example and a demo work out of the box

[John Palmieri <johnp src gnome org>]

commit faa7d4eece7ddb698725098970c2478a3b45c4d5
Author: Paul Bolle <pebolle tiscali nl>
Date:   Fri Jul 30 10:56:01 2010 +0200

    Make an example and a demo work out of the box
    
    cairo-demo.py and gtk-demo.py need the two (kind of) magic lines
    regarding pygtk to work out of the box. So add those.
    
    Signed-off-by: Paul Bolle <pebolle tiscali nl>
    
    https://bugzilla.gnome.org/show_bug.cgi?id=625638

 demos/gtk-demo/gtk-demo.py |    2 ++
 examples/cairo-demo.py     |    2 ++
 2 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/demos/gtk-demo/gtk-demo.py b/demos/gtk-demo/gtk-demo.py
index 15b00df..41edc32 100755
--- a/demos/gtk-demo/gtk-demo.py
+++ b/demos/gtk-demo/gtk-demo.py
@@ -21,6 +21,8 @@
 
 
 
+import pygtk
+pygtk.require('2.0')
 from gi.repository import Gtk, GLib, GObject, GdkPixbuf, Gio, Pango
 import os
 import glob
diff --git a/examples/cairo-demo.py b/examples/cairo-demo.py
index 1c60ea6..72a0533 100755
--- a/examples/cairo-demo.py
+++ b/examples/cairo-demo.py
@@ -1,6 +1,8 @@
 #!/usr/bin/env python
 """Based on cairo-demo/X11/cairo-demo.c
 """
+import pygtk
+pygtk.require('2.0')
 import cairo
 from gi.repository import Gdk, Gtk