[MacPorts] #16509: nip2 portfile update

[MacPorts]

#16509: nip2 portfile update
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Reporter:  jcupitt@…          |       Owner:  ryandesign@…           
    Type:  update             |      Status:  assigned               
Priority:  Normal             |   Component:  ports                  
 Version:  1.6.0              |    Keywords:                         
    Port:  nip2               |  
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Comment(by jcupitt@…):

 Replying to [ticket:16509 jcupitt@…]:
 > VIPS have just released a new stable version, 7.16. Here's an updated
 Portfile for nip2, the GUI.

 7.18 is out now, so here's the portfile for nip2-7.18.1, the current
 stable version

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Ticket URL: <http://trac.macports.org/ticket/16509#comment:5>
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