[MacPorts] #33542: unixODBC: update to 2.3.1 and fix livecheck

[MacPorts]

#33542: unixODBC: update to 2.3.1 and fix livecheck
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 Reporter:  ryandesign@…             |       Owner:  simon@…            
     Type:  update                   |      Status:  new                
 Priority:  Normal                   |   Milestone:                     
Component:  ports                    |     Version:                     
 Keywords:                           |        Port:  unixODBC           
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Comment(by ryandesign@…):

 Replying to [ticket:33542 ryandesign@…]:
 > The livecheck should also be fixed:

 r91296

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Ticket URL: <https://trac.macports.org/ticket/33542#comment:1>
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