Kill trailing whitespace in ruby files

config/initializers/active_record_extensions.rb

@@ -2,7 +2,7 @@ module Danbooru
   module Extensions
     module ActiveRecord
       extend ActiveSupport::Concern
-      
+
       module ClassMethods
         def without_timeout
           connection.execute("SET STATEMENT_TIMEOUT = 0") unless Rails.env == "test"
@@ -20,7 +20,7 @@ module Danbooru
           connection.execute("SET STATEMENT_TIMEOUT = 3000") unless Rails.env == "test"
         end
       end
-      
+
       %w(execute select_value select_values select_all).each do |method_name|
         define_method("#{method_name}_sql") do |sql, *params|
           connection.__send__(method_name, self.class.sanitize_sql_array([sql, *params]))
@@ -30,20 +30,20 @@ module Danbooru
           connection.__send__(method_name, sanitize_sql_array([sql, *params]))
         end
       end
-      
+
       def arbitrary_sql_order_clause(ids, table_name = nil)
         table_name = self.class.table_name if table_name.nil?
-        
+
         if ids.empty?
           return "#{table_name}.id desc"
         end
-        
+
         conditions = []
-        
+
         ids.each_with_index do |x, n|
           conditions << "when #{x} then #{n}"
         end
-        
+
         "case #{table_name}.id " + conditions.join(" ") + " end"
       end
     end
@@ -51,7 +51,7 @@ module Danbooru
 end
 
 class ActiveRecord::Base
-  class << self    
+  class << self
     public :sanitize_sql_array
   end