[MacPorts] #19229: update gromacs to 4.0.4

[MacPorts]

#19229: update gromacs to 4.0.4
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 Reporter:  andrew@…              |       Owner:  mlund@…      
     Type:  enhancement           |      Status:  new          
 Priority:  Normal                |   Milestone:  Port Updates 
Component:  ports                 |     Version:  1.7.1        
 Keywords:                        |        Port:  gromacs      
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Changes (by macsforever2000@…):

  * type:  defect => enhancement


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Ticket URL: <http://trac.macports.org/ticket/19229#comment:2>
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