[MacPorts] #63217: Makefile and installer postflight script should remove incorrect DISPLAY environment variable left in shell startup script by MacPorts 2.6.4 installation on Big Sur (was: (gpredict:17718): Gtk-WARNING **: 12:26:26.523: cannot open display: :0)

[MacPorts]

#63217: Makefile and installer postflight script should remove incorrect DISPLAY
environment variable left in shell startup script by MacPorts 2.6.4
installation on Big Sur
------------------------+--------------------
  Reporter:  WHNiii385  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  base       |    Version:  2.7.1
Resolution:             |   Keywords:  bigsur
      Port:             |
------------------------+--------------------
Changes (by ryandesign):

 * keywords:   => bigsur
 * component:  ports => base


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Ticket URL: <https://trac.macports.org/ticket/63217#comment:4>
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