Remove trailing whitespaces from db/migrate (#31506).

Patch by Marius BALTEANU.


git-svn-id: http://svn.redmine.org/redmine/trunk@18232 e93f8b46-1217-0410-a6f0-8f06a7374b81

db/migrate/20130201184705_add_unique_index_on_tokens_value.rb

@@ -4,7 +4,7 @@ class AddUniqueIndexOnTokensValue < ActiveRecord::Migration[4.2]
       # Just in case
       duplicates = Token.connection.select_values("SELECT value FROM #{Token.table_name} GROUP BY value HAVING COUNT(id) > 1")
       Token.where(:value => duplicates).delete_all
-  
+
       add_index :tokens, :value, :unique => true, :name => 'tokens_value'
     end
   end