[MacPorts] #14764: Update transcode portfile

[MacPorts]

#14764: Update transcode portfile
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 Reporter:  cremes at mac.com     |       Owner:  macports-tickets at lists.macosforge.org
     Type:  enhancement        |      Status:  new                                  
 Priority:  Normal             |   Milestone:  Port Enhancements                    
Component:  ports              |     Version:  1.6.0                                
 Keywords:  transcode leopard  |  
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 Update the transcode portfile so that it builds and runs reliably under
 10.5.2.

 Also, patch includes some minor formatting (whitespace) fixes to shut up
 Lint.

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Ticket URL: <http://trac.macosforge.org/projects/macports/ticket/14764>
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