It appears that when either the DOCS or EXAMPLES options are de-selected the man page is not copied to the staging area, resulting in a build failure.
Fixed, thanks for noticing
A commit references this bug: Author: rene Date: Sun Sep 18 10:35:19 UTC 2016 New revision: 422366 URL: https://svnweb.freebsd.org/changeset/ports/422366 Log: sysutils/password-store: fix man page installation when EXAMPLES is OFF PR: 212778 Submitted by: brandon.wandersee@gmail.com Changes: head/sysutils/password-store/Makefile