Optimize updates of issue's shared versions.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3137 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/version.rb

@@ -166,7 +166,7 @@ private
       if VERSION_SHARINGS.index(sharing_was).nil? ||
           VERSION_SHARINGS.index(sharing).nil? ||
           VERSION_SHARINGS.index(sharing_was) > VERSION_SHARINGS.index(sharing)
-        Issue.update_fixed_versions_from_sharing_change ["fixed_version_id = ? AND #{Issue.table_name}.project_id <> ?", id, project_id]
+        Issue.update_versions_from_sharing_change self
       end
     end
   end