diff --git a/app/models/member_role.rb b/app/models/member_role.rb
index 9c28d413d..8354b410f 100644
--- a/app/models/member_role.rb
+++ b/app/models/member_role.rb
@@ -1,16 +1,16 @@
 # Redmine - project management software
-# Copyright (C) 2006-2009  Jean-Philippe Lang
+# Copyright (C) 2006-2011  Jean-Philippe Lang
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
 # as published by the Free Software Foundation; either version 2
 # of the License, or (at your option) any later version.
-# 
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
@@ -18,30 +18,30 @@
 class MemberRole < ActiveRecord::Base
   belongs_to :member
   belongs_to :role
-  
+
   after_destroy :remove_member_if_empty
 
   after_create :add_role_to_group_users
   after_destroy :remove_role_from_group_users
-  
+
   validates_presence_of :role
-  
+
   def validate
     errors.add :role_id, :invalid if role && !role.member?
   end
-  
+
   def inherited?
     !inherited_from.nil?
   end
-  
+
   private
-  
+
   def remove_member_if_empty
     if member.roles.empty?
       member.destroy
     end
   end
-  
+
   def add_role_to_group_users
     if member.principal.is_a?(Group)
       member.principal.users.each do |user|
@@ -51,7 +51,7 @@ class MemberRole < ActiveRecord::Base
       end
     end
   end
-  
+
   def remove_role_from_group_users
     MemberRole.find(:all, :conditions => { :inherited_from => id }).group_by(&:member).each do |member, member_roles|
       member_roles.each(&:destroy)