[MacPorts] #30992: virtualbox: enable hardening

[MacPorts]

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

 I've reattached the Portfile patch as revision 4 with the suggested
 changes.

 -Roy

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Ticket URL: <https://trac.macports.org/ticket/30992#comment:34>
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