[BUGFIX] Fix comment in ViewHelper action.link

Correct closing tag in PHP comment example.

Resolves: #88619
Releases: master, 9.5
Change-Id: Ic90351399eccc4435231bbd4ccbc74c33727d70c
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/61120


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Björn Jacob <bjoern.jacob@tritum.de>
Tested-by: Daniel Siepmann <daniel.siepmann@typo3.org>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Björn Jacob <bjoern.jacob@tritum.de>
Reviewed-by: Daniel Siepmann <daniel.siepmann@typo3.org>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>