Correct meta.xml file to show 2.3 compat

Author: brendo

extension.meta.xml

@@ -17,7 +17,7 @@
 		</author>
 	</authors>
 	<releases>
-		<release version="1.2.2" date="2012-05-21" min="2.2">
+		<release version="1.2.2" date="2012-05-21" min="2.2" max="2.3.x">
 			- Add `?debug=raw` mode that outputs the page XML as raw XML
 			- Fix indentation issues
 			- Minor tweaks to CSS for better consistency