[BUGFIX] Use correct argument name in PageViewHelper

Fix a variable name which has been changed with the latest
refactoring to make it possible again to set links without
a cHash.

Resolves: #83063
Releases: master
Change-Id: I684d42f85a94179f19dabef5df47f09ce6b34df8
Reviewed-on: https://review.typo3.org/54719


Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>