[MacPorts] #26997: bind9: update to 9.7.2-P2

[MacPorts]

#26997: bind9: update to 9.7.2-P2
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 Reporter:  jmr@…             |       Owner:  dluke@…           
     Type:  update            |      Status:  new               
 Priority:  Normal            |   Milestone:                    
Component:  ports             |     Version:                    
 Keywords:  haspatch          |        Port:  bind9             
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 See attachment. Also changed port-destroot ui_msgs to notes.

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Ticket URL: <https://trac.macports.org/ticket/26997>
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