Upgrade devel/fstrm to version 0.3.1:
- Add support for '-' as a filename for stdin/stdout (PR #28)
- destroy condition variable and mutexes in fstrm_iothr_destroy() (PR #25)
Set INSTALL_TARGET=install-strip to pacify stage Q/A.
PR: 217184
Approved by: Leo Vandewoestijne <freebsd@dns-lab.com> (maintainer)
Sponsored by: Farsight Security, Inc.