[MacPorts] #68991: exiv2: Update to 0.28.1

[MacPorts]

#68991: exiv2: Update to 0.28.1
----------------------+------------------------
  Reporter:  alchymy  |      Owner:  ryandesign
      Type:  update   |     Status:  accepted
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  exiv2    |
----------------------+------------------------

Comment (by mascguy):

 Replying to [comment:15 ryandesign]:
 > Replying to [comment:12 mascguy]:
 > > But simply maintaining a segregated version for older ports would
 eliminate all of that. Why not just do that, and save yourself the
 headaches?
 >
 > Not saying we should or shouldn't do it, but using a segregated library
 introduces all new headaches of needing to teach each port, in its own
 unique way, how to located the segregated library.

 True, though it depends on how many need it. And if it's only a handful of
 ports, it shouldn't be too difficult.

-- 
Ticket URL: <https://trac.macports.org/ticket/68991#comment:16>
MacPorts <https://www.macports.org/>
Ports system for macOS