scm: use repository merge_extra_info() to save extra_ parameter (#8365, #7047).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5770 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/repositories_controller.rb

@@ -52,6 +52,7 @@ class RepositoriesController < ApplicationController
         end
       end
       @repository.attributes = p
+      @repository.merge_extra_info(p_extra)
       @repository.save
     end
     render(:update) do |page|