[MacPorts] #14614: Updated porfile for new version of radlib (v2.7.3)

[MacPorts]

#14614: Updated porfile for new version of radlib (v2.7.3)
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 Reporter:  mbrooksclark at earthlink.net  |       Owner:  macports-tickets at lists.macosforge.org
     Type:  enhancement                 |      Status:  new                                  
 Priority:  Normal                      |   Milestone:  Port Updates                         
Component:  ports                       |     Version:  1.6.0                                
 Keywords:                              |  
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 New version of radlib (v2.7.3) released. Here's an updated portfile for
 the latest version.

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Ticket URL: <http://trac.macosforge.org/projects/macports/ticket/14614>
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