Fixed: localization problem on issue list headers.

Updated Russian translation (iGor kMeta).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@906 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/query.rb

@@ -25,6 +25,7 @@ class QueryColumn
   end
   
   def caption
+    set_language_if_valid(User.current.language)
     l("field_#{name}")
   end
 end