[MacPorts] #28680: libev: update to 4.04

[MacPorts]

#28680: libev: update to 4.04
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 Reporter:  ryandesign@…             |       Owner:  brett@…           
     Type:  update                   |      Status:  new               
 Priority:  Normal                   |   Milestone:                    
Component:  ports                    |     Version:                    
 Keywords:                           |        Port:  libev             
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Comment(by ryandesign@…):

 I attached a patch to do this, but in fact, this causes the library
 version to increase, so everything using libev needs a revbump. Plus, the
 only thing I'm using that uses libev -- lighttpd -- doesn't build with
 4.04, so this may need further thought.

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Ticket URL: <https://trac.macports.org/ticket/28680#comment:2>
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