Kill trailing whitespace in ruby files

app/models/note_version.rb

@@ -6,22 +6,22 @@ class NoteVersion < ActiveRecord::Base
   def self.search(params)
     q = scoped
     params = {} if params.blank?
-    
+
     if params[:updater_id]
       q = q.where("updater_id = ?", params[:updater_id].to_i)
     end
-    
+
     if params[:post_id]
       q = q.where("post_id = ?", params[:post_id].to_i)
     end
-    
+
     if params[:note_id]
       q = q.where("note_id = ?", params[:note_id].to_i)
     end
-    
+
     q
   end
-  
+
   def initialize_updater
     self.updater_id = CurrentUser.id
     self.updater_ip_addr = CurrentUser.ip_addr