[MacPorts] #18802: RFE: build libpng with PortGroup muniversal

[MacPorts]

#18802: RFE: build libpng with PortGroup muniversal
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 Reporter:  mcalhoun@…             |       Owner:  ryandesign@…           
     Type:  enhancement            |      Status:  new                    
 Priority:  Normal                 |   Milestone:  Port Enhancements      
Component:  ports                  |     Version:  1.7.0                  
 Keywords:  universal              |        Port:  libpng                 
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 Attached is a proposed change to libpng.

 I can find no errors, but it seems to me that muniversal is the safer
 choice[[BR]]
 for the long term.

 It also test all architectures it can.

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Ticket URL: <http://trac.macports.org/ticket/18802>
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