[MacPorts] #14699: Upgrade Portfile for spread to version 4

[MacPorts]

#14699: Upgrade Portfile for spread to version 4
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 Reporter:  Lars.Rasmusson@…          |       Owner:  stechert@…           
     Type:  update                    |      Status:  new                  
 Priority:  Normal                    |   Milestone:                       
Component:  ports                     |     Version:  1.6.0                
 Keywords:                            |        Port:  spread               
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Comment(by blb@…):

 Is there an easy way to download the distfile, it is currently
 [http://www.spread.org/download/spread-src-4.1.0.tar.gz hidden behind a
 form] which won't work with port; the master_sites used for the 3.17.3
 version doesn't appear to carry any of the 4.x versions.

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Ticket URL: <http://trac.macports.org/ticket/14699#comment:5>
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