[MacPorts] #18456: Add missing port:p5-digest-hmac dependency

[MacPorts]

#18456: Add missing port:p5-digest-hmac dependency
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 Reporter:  brad@…            |       Owner:  mww@…           
     Type:  defect            |      Status:  new             
 Priority:  Normal            |   Milestone:                  
Component:  ports             |     Version:  1.7.0           
 Keywords:                    |        Port:  imapsync        
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Comment(by ryandesign@…):

 Has duplicate #23651

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Ticket URL: <http://trac.macports.org/ticket/18456#comment:3>
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