[MacPorts] #25080: Update rb-msgpack to 0.4.1

[MacPorts]

#25080: Update rb-msgpack  to 0.4.1
-------------------------------+--------------------------------------------
 Reporter:  naoya.n@…          |       Owner:  ryandesign@…           
     Type:  update             |      Status:  assigned               
 Priority:  Normal             |   Milestone:                         
Component:  ports              |     Version:                         
 Keywords:  haspatch           |        Port:  rb-msgpack             
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Changes (by ryandesign@…):

  * owner:  macports-tickets@… => ryandesign@…
  * status:  new => assigned


Comment:

 Thanks. In the future, please submit diffs as attachments, not pasted into
 the ticket.

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Ticket URL: <http://trac.macports.org/ticket/25080#comment:2>
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