The length of the CType file is often too small to contain the name of
the extension that creates a new content element type. It should be
increased from 30 to 255.

Resolves: #43062
Releases: 6.0

Change-Id: I5ac23f7bdaa40ea9764d08ee330883da5be5a1ef
Reviewed-on: http://review.typo3.org/16560
Reviewed-by: Wouter Wolters
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn