[MacPorts] #68727: grads @2.2.1: error: too few arguments to function call, expected 3, have 2

[MacPorts]

#68727: grads @2.2.1: error: too few arguments to function call, expected 3, have 2
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  Reporter:  musaidpp  |      Owner:  tenomoto
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.8.1
Resolution:            |   Keywords:  sonoma
      Port:  grads     |
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Comment (by ryandesign):

 Replying to [comment:7 musaidpp]:
 > I encountered the following error:

 To understand that error, see WimplicitFunctionDeclaration.

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Ticket URL: <https://trac.macports.org/ticket/68727#comment:10>
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