[MacPorts] #13187: update vips and nip2 ports

[MacPorts]

#13187: update vips and nip2 ports
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  Reporter:  jcupitt at gmail.com  |       Owner:  css at macports.org
      Type:  enhancement        |      Status:  assigned        
  Priority:  Normal             |   Milestone:  Port Updates    
 Component:  ports              |     Version:  1.5.0           
Resolution:                     |    Keywords:                  
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Comment (by css at macports.org):

 It looks like 7.12.5 compiles fine too. Could you verify that this new
 portfile suits your needs? The second request of nip2 should be handled in
 a separate ticket.

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Ticket URL: <https://svn.macosforge.org/projects/macports/ticket/13187#comment:6>
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