Fix compilation without plugins.
proto.c:667:6: error: ‘dissector_plugins’ undeclared (first use in this function)
tap.c:773:20: error: ‘tap_plugins’ undeclared (first use in this function)
Change-Id: I8feaec4219dc97202bdb79d72399c5fd1d383e27
Reviewed-on: https://code.wireshark.org/review/20081
Petri-Dish: Jakub Zawadzki <darkjames-ws@darkjames.pl>
Reviewed-by: Dario Lombardo <lomato@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Jakub Zawadzki <darkjames-ws@darkjames.pl>