[gnome-games] gnibbles: Add doctype to background svg file

[Thomas Hindoe Paaboel Andersen <thomashpa src gnome org>]

commit 1d0cf61fcec35e685d43c828c1d5396a3959bdaa
Author: Edward Sheldrake <ejsheldrake gmail com>
Date:   Wed Nov 3 23:39:51 2010 +0100

    gnibbles: Add doctype to background svg file
    
    fixes background and gets rid of warnings
    
    GNOME bug #631412

 gnibbles/pix/wall-small-empty.svg |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gnibbles/pix/wall-small-empty.svg b/gnibbles/pix/wall-small-empty.svg
index 3ac3c78..ace9886 100644
--- a/gnibbles/pix/wall-small-empty.svg
+++ b/gnibbles/pix/wall-small-empty.svg
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN"
+"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd";>
 <!-- Created with Inkscape (http://www.inkscape.org/) -->
 
 <!-- (C) Copyright 2004 Theo van Klaveren -->