Cherrypick: Uncomment accidentally commented out locales in Showcase

Review by: rdayal@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/releases/2.5@11301 8db76d5a-ed1c-0410-87a9-c151d255dfc7

samples/showcase/src/com/google/gwt/sample/showcase/Showcase.gwt.xml

diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/Showcase.gwt.xml b/samples/showcase/src/com/google/gwt/sample/showcase/Showcase.gwt.xml
index 6dad235..f6677a6 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/Showcase.gwt.xml
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/Showcase.gwt.xml
@@ -20,11 +20,11 @@
 
   <!-- Internationalization support. -->
   <extend-property name="locale" values="en"/>
-  <!--
+
   <extend-property name="locale" values="ar"/>
   <extend-property name="locale" values="fr"/>
   <extend-property name="locale" values="zh"/>
-  -->
+
   <set-property-fallback name="locale" value="en"/>
   <set-configuration-property name="locale.cookie" value="SHOWCASE_LOCALE"/>
   <set-configuration-property name="locale.useragent" value="Y"/>