[BUGFIX] PHP strict warning in class loader

The compatibility class loader overwrites method requireClassFileOnce
and adds a parameter. This triggers a PHP strict warning.

Change-Id: I6adedd1c6586e84f35d83433cba14dd3201bfe0c
Resolves: #43331
Releases: 6.0
Reviewed-on: http://review.typo3.org/16783
Reviewed-by: Ernesto Baschny
Tested-by: Ernesto Baschny
Reviewed-by: Helmut Hummel
Tested-by: Helmut Hummel