[gtk+] Fix few typos in the migration docs

[Javier JardÃn <jjardon src gnome org>]

commit f90f2858c8b86aadff036b68f20459990ac2d5fb
Author: Javier Jardon <jjardon gnome org>
Date:   Wed Jul 6 11:59:56 2011 +0100

    Fix few typos in the migration docs
    
    gdk_pixbuf_get_from_surface() don't take 8 args but 5

 docs/reference/gtk/migrating-2to3.xml |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/docs/reference/gtk/migrating-2to3.xml b/docs/reference/gtk/migrating-2to3.xml
index bbef6a5..7670a80 100644
--- a/docs/reference/gtk/migrating-2to3.xml
+++ b/docs/reference/gtk/migrating-2to3.xml
@@ -704,8 +704,8 @@ cairo_arc (cr, 1.5, 1.5, 1.5, 0, 2 * M_PI);
 cairo_fill (cr);
 cairo_destroy (cr);
 
-pixbuf = gdk_pixbuf_get_from_surface (NULL, s,
-                                      0, 0, 0, 0,
+pixbuf = gdk_pixbuf_get_from_surface (s,
+                                      0, 0,
                                       3, 3);
 
 cairo_surface_destroy (s);