[MacPorts] #38518: update molmol to support gcc48 variant

[MacPorts]

#38518: update molmol to support gcc48 variant
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 Reporter:  howarth@…  |      Owner:  macports-tickets@…
     Type:  update     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:  2.1.3
 Keywords:  science    |       Port:  molmol
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 The attached Portfile diff provides support for a gcc48 variant in the
 molmol package.

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Ticket URL: <https://trac.macports.org/ticket/38518>
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