[MacPorts] #19172: proj-4.6.1 upgrade and datum conversion

[MacPorts]

#19172: proj-4.6.1 upgrade and datum conversion
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 Reporter:  seanasy@…          |       Owner:  macports-tickets@…                   
     Type:  enhancement        |      Status:  new                                  
 Priority:  Normal             |   Milestone:  Port Updates                         
Component:  ports              |     Version:  1.7.1                                
 Keywords:                     |        Port:                                       
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 Upgrade proj to version 4.6.1.

 Adds support for NAD27/NAD83 and NZGD49 datum conversion.

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Ticket URL: <http://trac.macports.org/ticket/19172>
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