If we include tests/ in the release tarball, downstream distributors
can run the testsuites themselves while developing the packages.
This way, tests can be run in a more integrated environment and they can
discover errors related to the integration with the given distribution itself.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>