[MacPorts] #32924: Add library dependencies to poppler + version bump

[MacPorts]

#32924: Add library dependencies to poppler + version bump
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 Reporter:  macosx12345@…         |       Owner:  devans@…           
     Type:  enhancement           |      Status:  new                
 Priority:  Normal                |   Milestone:                     
Component:  ports                 |     Version:                     
 Keywords:                        |        Port:  poppler            
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Comment(by macosx12345@…):

 Meanwhile, the poppler port has been updated to version 0.18.4. I updated
 my Portfile proposal and patch-Portfile accordingly (but not patch-
 Portfile.diff since I dont't own it).

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Ticket URL: <https://trac.macports.org/ticket/32924#comment:4>
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