Rails4: replace deprecated Relation#update_all at SetDefaultRepositories db migration

git-svn-id: http://svn.redmine.org/redmine/trunk@12494 e93f8b46-1217-0410-a6f0-8f06a7374b81

db/migrate/20120115143126_set_default_repositories.rb

@@ -4,7 +4,7 @@ class SetDefaultRepositories < ActiveRecord::Migration
     # Sets the last repository as default in case multiple repositories exist for the same project
     Repository.connection.select_values("SELECT r.id FROM #{Repository.table_name} r" +
       " WHERE r.id = (SELECT max(r1.id) FROM #{Repository.table_name} r1 WHERE r1.project_id = r.project_id)").each do |i|
-        Repository.update_all(["is_default = ?", true], ["id = ?", i])
+        Repository.where(["id = ?", i]).update_all(["is_default = ?", true])
     end
   end