Fixed bug #17177: Live Search: Search query loops over all tables even after...

Fixed bug #17177: Live Search: Search query loops over all tables even after max search results have been found, credits Jeff Segars

git-svn-id: https://svn.typo3.org/TYPO3v4/Core/trunk@10264 709f56b5-9817-0410-a4d7-c38de5d9e867