[MacPorts] #31382: hdf5-18: Add license info; move szip into variant

[MacPorts]

#31382: hdf5-18: Add license info; move szip into variant
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 Reporter:  eborisch@…             |       Owner:  mmoll@…           
     Type:  enhancement            |      Status:  new               
 Priority:  Normal                 |   Milestone:                    
Component:  ports                  |     Version:                    
 Keywords:  haspatch               |        Port:  hdf5-18           
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Changes (by macsforever2000@…):

  * version:  2.0.3 =>
  * type:  defect => enhancement


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Ticket URL: <https://trac.macports.org/ticket/31382#comment:2>
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