Log Message:
unit: update to 1.26.1

Upstream change log:

*) Bugfix: occasionally, the Unit daemon was unable to fully terminate;
   the bug had appeared in 1.26.0.

*) Bugfix: a prototype process could crash on an application process
   exit; the bug had appeared in 1.26.0.

*) Bugfix: the router process crashed on reconfiguration if "access_log"
   was configured without listeners.

*) Bugfix: a segmentation fault occurred in the PHP module if chdir() or
   fastcgi_finish_request() was called in the OPcache preloading script.

*) Bugfix: fatal errors on DragonFly BSD; the bug had appeared in
   1.26.0.