[BUGFIX] Autoloader wants to call the wrong file

Fixes: #49363


git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/pmkshadowbox/trunk@76710 735d13b6-9817-0410-8766-e36946ffe9aa
[BUGFIX] Call to non existing function TYPO3\CMS\Core\Utility\GeneralUtility::intInRange()

Fixes: #49364


git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/pmkshadowbox/trunk@76711 735d13b6-9817-0410-8766-e36946ffe9aa