[MacPorts] #44117: rsync: update to 3.1.1

[MacPorts]

#44117: rsync: update to 3.1.1
-----------------------+---------------------------------
  Reporter:  jimjag@…  |      Owner:  macports-tickets@…
      Type:  update    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  haspatch maintainer
      Port:  rsync     |
-----------------------+---------------------------------

Comment (by mojca@…):

 But why is `ldflags` needed?

-- 
Ticket URL: <https://trac.macports.org/ticket/44117#comment:9>
MacPorts <http://www.macports.org/>
Ports system for OS X