[MacPorts] #30992: virtualbox: enable hardening

[MacPorts]

#30992: virtualbox: enable hardening
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 Reporter:  ryandesign@…             |       Owner:  rmstonecipher@…           
     Type:  enhancement              |      Status:  assigned                  
 Priority:  Normal                   |   Milestone:                            
Component:  ports                    |     Version:  2.0.1                     
 Keywords:                           |        Port:  virtualbox                
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Comment(by rmstonecipher@…):

 Roy,[[br]]
 We should increment the revision variable in the Portfile to ensure
 current users have an easy upgrade path to the hardened version.[[br]]
 As soon as Chris approves the changes I will commit them.[[br]][[br]]
 Cheers,[[br]]
 Ryan Stonecipher

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Ticket URL: <https://trac.macports.org/ticket/30992#comment:17>
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