[MacPorts] #26472: Add extra variants to postgresql90

[MacPorts]

#26472: Add extra variants to postgresql90
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 Reporter:  ddebernardy@…          |       Owner:  macports-tickets@…                   
     Type:  enhancement            |      Status:  new                                  
 Priority:  Normal                 |   Milestone:                                       
Component:  ports                  |     Version:  1.9.1                                
 Keywords:                         |        Port:  postgresql90                         
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 Similarly to #24684, there are a whole bunch of contrib modules in pgsql90
 which aren't available when installing it using macports, and which would
 be really sweet -- either by default, or as variants.

 In particular the unaccent contrib.

 Alternatively, could there be a postgresql90-contrib package that bulk
 installs each and every one of them? Most people, I'm assuming, use
 macports on their laptops for local development, making it no big deal if
 more than what's strictly necessary gets installed.

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Ticket URL: <http://trac.macports.org/ticket/26472>
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