Fixed bug #4883: mod_rewrite rules rewrite missing favicon.ico to index.php...

Fixed bug #4883: mod_rewrite rules rewrite missing favicon.ico to index.php (thanks to Stefan Geith for this hint - notice that manual modification of existing .htaccess files might be neccessary)

git-svn-id: https://svn.typo3.org/TYPO3v4/Core/trunk@2014 709f56b5-9817-0410-a4d7-c38de5d9e867