[MacPorts] #24924: gcc_select: update to 0.3 and use select portgroup

[MacPorts]

#24924: gcc_select: update to 0.3 and use select portgroup
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 Reporter:  ryandesign@…             |       Owner:  mww@…           
     Type:  update                   |      Status:  new             
 Priority:  Normal                   |   Milestone:                  
Component:  ports                    |     Version:  1.8.2           
 Keywords:                           |        Port:  gcc_select      
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 gcc_select should probably be updated to version 0.3 and should use the
 select portgroup like the python_select port does.

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Ticket URL: <http://trac.macports.org/ticket/24924>
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