Fix bug 927442 - change from passthrough to 301

etc/httpd/global.conf

@@ -169,7 +169,7 @@ RewriteRule ^/(ca|cs|de|es-MX|fr|he|sk|sl)/firefox/channel(/?)$ /b/$1/firefox/ch
 RewriteRule ^/(\w{2,3}(?:-\w{2})?/)?firefox/update(.*)$ /b/$1firefox/update$2 [PT]
 
 # bug 927442
-RewriteRule ^/(\w{2,3}(?:-\w{2})?/)?firefox/community(/?)$ /b/$1contribute$2 [PT]
+RewriteRule ^/(\w{2,3}(?:-\w{2})?/)?firefox/community(/?)$ /$1contribute/ [L,R=301]
 
 # bug 881754, 883127
 # TODO: Remove when all locales are done.