[Patch] Implement TSearchRec.TimeStamp (Delphi-Compatibility)

Original Reporter info from Mantis: kluug.net @onpok

• Reporter name: Ondrej Pokorny

Description:

The attached patch adds TSearchRec.TimeStamp: http://docwiki.embarcadero.com/Libraries/Berlin/de/System.SysUtils.TSearchRec

Mantis conversion info:

• Mantis ID: 32165
• Fixed in version: 3.1.1
• Fixed in revision: 36750 (#547f08e6)
• Target version: 3.2.0