[MacPorts] #34669: gwyddion: Update to version 2.28

[MacPorts]

#34669: gwyddion: Update to version 2.28
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 Reporter:  feranick@…            |       Owner:  rowue@…           
     Type:  update                |      Status:  new               
 Priority:  Normal                |   Milestone:                    
Component:  ports                 |     Version:  2.1.1             
 Keywords:                        |        Port:  gwyddion          
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Comment(by feranick@…):

 Sorry, you are absolutely correct, there was no ticket for 2.27. I was
 referring to an email in the gwyddion developer list with a patch to
 Portfile to build version 2.27:

 7c7
 < version             2.26
 ---
  > version             2.27
 23,25c23,25
 < checksums           md5     45866cae0cea12352ed25ac535168a5e \
 <                     sha1    defdee91670e95d7a0e2744ce631baf3722d9a58 \
 <                     rmd160  f2df52b16fa02ea62ff19fbd8ed12077a2bdea7a
 ---
  > checksums           md5     41523321d703c43b69ce5031957aebf7 \
  >                     sha1
 135783957f17a1c79164b291cf737d287e0c87de \
  >                     rmd160  b7d4f55e91d0a1d850abe34a1356020574453b8d

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Ticket URL: <https://trac.macports.org/ticket/34669#comment:2>
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