[MacPorts] #15763: libevent-1.4.3: Update libevent to 1.4.7

[MacPorts]

#15763: libevent-1.4.3: Update libevent to 1.4.7
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  Reporter:  samson.etienne at gmail.com  |       Owner:  brett at macports.org
      Type:  enhancement               |      Status:  closed            
  Priority:  Normal                    |   Milestone:  Port Enhancements 
 Component:  ports                     |     Version:  1.6.0             
Resolution:  duplicate                 |    Keywords:                    
      Port:                            |  
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Comment(by css at macports.org):

 I assume #16601 is the duplicate?

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Ticket URL: <http://trac.macports.org/ticket/15763#comment:4>
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