[MacPorts] #40514: metar: add libwww-perl dependency

[MacPorts]

#40514: metar: add libwww-perl dependency
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  Reporter:  xnando@…     |      Owner:  macports-tickets@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  haspatch
      Port:  metar        |
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Comment (by xnando@…):

 I'd like to leave shebang line as it is. it is standard on every unix
 derived system and i don't care on wich perl it will use.

 I'd like to leave also p5-libwww-perl as it is. It is backwards compatible
 as well as future releases compatible. It simply works.

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Ticket URL: <https://trac.macports.org/ticket/40514#comment:5>
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