Log Message:
Updated to version 3.1.7.

Pkgsrc changes:
  - none

Changes since version 3.1.6:
============================
3.1.7 is a "quick-fix" release; it contains only a fix for one bug,
introduced accidentally in 3.1.6:

- bug 5119: if admins had set rule scores in the site configuration in
  /etc, sa-update would fail.  Back out this change