[MacPorts] #37212: json-c: update to 0.10

[MacPorts]

#37212: json-c: update to 0.10
---------------------------+-----------------------
  Reporter:  ryandesign@…  |      Owner:  lharple@…
      Type:  update        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:  haspatch
      Port:  json-c        |
---------------------------+-----------------------

Comment (by ryandesign@…):

 I was suggesting the variant be on by default, so that old software that
 requires old function names will just work for users who want things to
 just work. Developers who want to discover problems can install it without
 the variant.

-- 
Ticket URL: <https://trac.macports.org/ticket/37212#comment:12>
MacPorts <http://www.macports.org/>
Ports system for OS X