VIP: Add images to schemaLocation to pass validation.

See Automattic/msm-sitemap#113


git-svn-id: https://vip-svn.wordpress.com/plugins@283921 dd790b09-5c1c-0410-8744-875116bcd8a6

msm-sitemap-1.2/msm-sitemap.php

@@ -420,10 +420,11 @@ public static function generate_sitemap_for_date( $sitemap_date ) {
 		// SimpleXML doesn't allow us to define namespaces using addAttribute, so we need to specify them in the construction instead.
 		$namespaces = apply_filters( 'msm_sitemap_namespace', array(
 			'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance',
+			'xsi:schemaLocation' => 'http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd http://www.google.com/schemas/sitemap-image/1.1 http://www.google.com/schemas/sitemap-image/1.1/sitemap-image.xsd',
 			'xmlns' => 'http://www.sitemaps.org/schemas/sitemap/0.9',
 			'xmlns:n' => 'http://www.google.com/schemas/sitemap-news/0.9',
 			'xmlns:image' => 'http://www.google.com/schemas/sitemap-image/1.1',
-			'xsi:schemaLocation' => 'http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd',
+
 		) );
 
 		$namespace_str = '<?xml version="1.0" encoding="utf-8"?><urlset';