Fixed bug #10131: Use TYPO3 encryption key in initial state of random byte...

Fixed bug #10131: Use TYPO3 encryption key in initial state of random byte generation (ported from TYPO3_4-2, thanks to Marcus Krause)

git-svn-id: https://svn.typo3.org/TYPO3v4/Core/trunk@5094 709f56b5-9817-0410-a4d7-c38de5d9e867