[MacPorts] #36259: argtable: update to 2.13

[MacPorts]

#36259: argtable: update to 2.13
----------------------------------+--------------------------
  Reporter:  christian.frisson@…  |      Owner:  ryandesign@…
      Type:  update               |     Status:  assigned
  Priority:  Normal               |  Milestone:
 Component:  ports                |    Version:  2.1.2
Resolution:                       |   Keywords:  haspatch
      Port:  argtable             |
----------------------------------+--------------------------

Comment (by christian.frisson@…):

 Sure, will do, sorry for that. I submitted today some updates in a row,
 which unfortunately supplied Portfiles instead of unified diffs. I'll
 change that practice for the next ones.

-- 
Ticket URL: <https://trac.macports.org/ticket/36259#comment:2>
MacPorts <http://www.macports.org/>
Ports system for Mac OS