swi-prolog 7.2.3
swi-prolog 7.2.3

swi-prolog 7.3.9 (devel) and 7.2.3 (stable)

Upgrade swi-prolog to development version 7.3.9 and stable version
7.2.3.

Verify installation by asking swipl to solve a simple goal and
compare the output.

Closes #140.

Signed-off-by: Dominyk Tiller <53e438f55903875d07efdd98a8aaf887e7208dd3@gmail.com>

BrewTestBot/homebrew-x11,UniqMartin/homebrew-x11,princeofdarkness76/homebrew-x11