Kill trailing whitespace in ruby files

app/models/mod_action.rb

@@ -1,18 +1,18 @@
 class ModAction < ActiveRecord::Base
   belongs_to :creator, :class_name => "User"
   before_validation :initialize_creator, :on => :create
-  
+
   def self.search(params = {})
     q = scoped
     return q if params.blank?
-    
+
     if params[:creator_id].present?
       q = q.where("creator_id = ?", params[:creator_id].to_i)
     end
-    
+
     q
   end
-  
+
   def initialize_creator
     self.creator_id = CurrentUser.id
   end