[MacPorts] #30584: setupenv.bash misses to declare some variables as local, cluttering shell env

[MacPorts]

#30584: setupenv.bash misses to declare some variables as local, cluttering shell
env
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  Reporter:  mp@…              |       Owner:  macports-tickets@…                   
      Type:  enhancement       |      Status:  closed                               
  Priority:  Normal            |   Milestone:  MacPorts 2.1.0                       
 Component:  base              |     Version:  2.0.1                                
Resolution:  fixed             |    Keywords:                                       
      Port:                    |  
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Changes (by jmr@…):

  * milestone:  => MacPorts 2.1.0


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Ticket URL: <https://trac.macports.org/ticket/30584#comment:4>
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