Rails3: model: replace deprecated 'before_save' method at IssueRelation model

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@7426 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/issue_relation.rb

@@ -45,6 +45,8 @@ class IssueRelation < ActiveRecord::Base
 
   attr_protected :issue_from_id, :issue_to_id
 
+  before_save :handle_issue_order
+
   def visible?(user=User.current)
     (issue_from.nil? || issue_from.visible?(user)) && (issue_to.nil? || issue_to.visible?(user))
   end
@@ -96,7 +98,7 @@ class IssueRelation < ActiveRecord::Base
     TYPES[relation_type] ? TYPES[relation_type][(self.issue_from_id == issue.id) ? :name : :sym_name] : :unknow
   end
 
-  def before_save
+  def handle_issue_order
     reverse_if_needed
 
     if TYPE_PRECEDES == relation_type