Adrian Chadd d80b9f8d51 [pfctl_tests] Add missing void to empty function declaration
Our gcc-6.4 flags require non-empty function declarations.
Fix this to match the rest of the codebase.

Tested:

* compiled on gcc-6.4 for amd64

Reviewed by:	imp
Differential Revision:	https://reviews.freebsd.org/D26795
2020-10-15 14:56:51 +00:00
..