[MacPorts] #15325: gawk: enable parallel build

[MacPorts]

#15325: gawk: enable parallel build
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 Reporter:  ryandesign at macports.org  |       Owner:  ryandesign at macports.org
     Type:  enhancement              |      Status:  new                    
 Priority:  Normal                   |   Milestone:  Port Enhancements      
Component:  ports                    |     Version:  1.6.0                  
 Keywords:                           |  
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 I'd like to enable the parallel build feature for the gawk port. It seems
 to work fine. If you approve, I'll be happy to commit the attached patch.

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Ticket URL: <http://trac.macports.org/ticket/15325>
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