[MacPorts] #17843: clex: update to 4.0

[MacPorts]

#17843: clex: update to 4.0
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 Reporter:  ryandesign@…             |       Owner:  ryandesign@…           
     Type:  enhancement              |      Status:  new                    
 Priority:  Normal                   |   Milestone:  Port Updates           
Component:  ports                    |     Version:  1.7.0                  
 Keywords:                           |        Port:  clex                   
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 clex 4.0 is out so we should update the port to it, if we can get it to
 build. I cannot, so far; see attached log.

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Ticket URL: <http://trac.macports.org/ticket/17843>
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