Reset paranoia_column before updating it. Fixes #153

lib/paranoia.rb

@@ -91,6 +91,7 @@ module Paranoia
         # This only happened on Rails versions earlier than 4.1.
         noop_if_frozen = ActiveRecord.version < Gem::Version.new("4.1")
         if (noop_if_frozen && !@attributes.frozen?) || !noop_if_frozen
+          write_attribute paranoia_column, paranoia_sentinel_value
           update_column paranoia_column, paranoia_sentinel_value
         end
         restore_associated_records if opts[:recursive]