[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 carsomyr@…):

 Please ignore "patch-Portfile.diff" and use "patch-Portfile.2.diff"
 instead.

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Ticket URL: <https://trac.macports.org/ticket/30992#comment:8>
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