[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@…):

 I've also attached a context diff for the vips portfile to update it to
 7.18.1. The diff is against the macports vips portfile as it was on on 21
 may 09.

 both Portfiles need to be updated together for the build to work, so I've
 put them on the same ticket, hope that's OK

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Ticket URL: <http://trac.macports.org/ticket/16509#comment:6>
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