Revision 528219

astro/gpsd: Update to 3.20

  - Update to 3.20 (welcome ubxtool and gpsrinex!)
  - Fix SConstruct per python3 [1]
  - Replace spaces by tabs (pet portlint)
  - Fixes astro/foxtrotgps, astro/gpxloggerd and comms/direwolf

  Changelog:
  - https://gitlab.com/gpsd/gpsd/-/blob/master/NEWS#L16

[1] scons is py27 only and check py27 packages for a py37 port. I commented these tests in SConstruct since we already do it in our Makefile.

PR:	243980
Reviewed by:	tcberner (mentor)
Approved by:	tcberner (mentor), maintainer timeout (z7dr6ut7gs@snkmail.com, > 2 weeks)
Differential Revision:	https://reviews.freebsd.org/D23920