Kill trailing whitespace in ruby files

app/logical/moderator/dashboard/queries/wiki_page.rb

@@ -3,23 +3,23 @@ module Moderator
     module Queries
       class WikiPage
         attr_reader :user, :count
-        
+
         def self.all(min_date, max_level)
           sql = <<-EOS
-            SELECT wiki_page_versions.updater_id, count(*) 
-            FROM wiki_page_versions 
-            JOIN users ON users.id = wiki_page_versions.updater_id 
-            WHERE 
-              wiki_page_versions.created_at > ? 
-              AND users.level <= ? 
-            GROUP BY wiki_page_versions.updater_id 
-            ORDER BY count(*) DESC 
+            SELECT wiki_page_versions.updater_id, count(*)
+            FROM wiki_page_versions
+            JOIN users ON users.id = wiki_page_versions.updater_id
+            WHERE
+              wiki_page_versions.created_at > ?
+              AND users.level <= ?
+            GROUP BY wiki_page_versions.updater_id
+            ORDER BY count(*) DESC
             LIMIT 10
           EOS
-          
+
           ActiveRecord::Base.select_all_sql(sql, min_date, max_level).map {|x| new(x)}
         end
-        
+
         def initialize(hash)
           @user = ::User.find(hash["updater_id"])
           @count = hash["count"]