[#4921] Fix: Make onetimeaccount compatible with static_info_tables >= 6.0

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/onetimeaccount/trunk@84823 735d13b6-9817-0410-8766-e36946ffe9aa
Bump the version number to 0.9.50.

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/onetimeaccount/trunk@84824 735d13b6-9817-0410-8766-e36946ffe9aa