[MacPorts] #38317: silo: upgrade to 4.9

[MacPorts]

#38317: silo: upgrade to 4.9
--------------------------+--------------------------
  Reporter:  kurtjaeke@…  |      Owner:  ryandesign@…
      Type:  update       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  haspatch
      Port:  silo         |
--------------------------+--------------------------
Changes (by ryandesign@…):

 * status:  new => assigned
 * cc: kurtjaeke@… (removed)
 * keywords:   => haspatch
 * owner:  macports-tickets@… => ryandesign@…


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Ticket URL: <https://trac.macports.org/ticket/38317#comment:6>
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