[MacPorts] #13564: Updated SWI-Prolog portfile (replaced hardcoded paths)

[MacPorts]

#13564: Updated SWI-Prolog portfile (replaced hardcoded paths)
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 Reporter:  pmoura at logtalk.org  |       Owner:  macports-dev at lists.macosforge.org
     Type:  enhancement         |      Status:  new                              
 Priority:  Normal              |   Milestone:  Port Enhancements                
Component:  ports               |     Version:  1.5.2                            
 Keywords:                      |  
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 Updated SWI-Prolog portfile (replaced hardcoded paths by using the
 MacPorts instalation prefix).

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Ticket URL: <http://trac.macosforge.org/projects/macports/ticket/13564>
MacPorts </projects/macports>
Ports system for Mac OS