Fix syntax typo - Merge branch 'staging'

lib/sitemap.xml

@@ -13,11 +13,10 @@ http://www.damowmow.com/portal/ (use the "Indentify" field)
   <page url="news" title="News" id="news" />
 
   <page url="releases/" title="Download and Releases" id="releases">
-
     <page url="releases/2.53.7" title="2.53.7" id="2.53.7" hide="false">
       <page url="releases/seamonkey2.53.7/" title="Release Notes" id="seamonkey2.53.7"/>
     </page>
-    <page url="releases/2.53.7b1" title="2.53.7 Beta 1" id="2.53.7b1" hide="true/">
+    <page url="releases/2.53.7b1" title="2.53.7 Beta 1" id="2.53.7b1" hide="true"/>
     <page url="releases/2.53.6" title="2.53.6" id="2.53.6" hide="true">
       <page url="releases/seamonkey2.53.6/" title="Release Notes" id="seamonkey2.53.6"/>
     </page>