Fix all remaining filter name errors found with checkfiltername.pl

This should make it possible to add checkfiltername.pl to the pre-commit script.

Change-Id: Icdee7e4ea3381fa1467bb4b5caf0f60c255adec0
Reviewed-on: https://code.wireshark.org/review/5166
Reviewed-by: Michael Mann <mmann78@netscape.net>
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>