.travis.yml: add precise to the dists
.travis.yml: add precise to the dists

To figure out what happens in RT#123310, try adding dist to travis test.

Signed-off-by: Jens Rehsack <69d49c504a9219a55b8be0f905e8fe3c32ffb57f@netbsd.org>

perl5-utils/List-MoreUtils