[MacPorts] #40125: grok: error: non-void function 'grok_predicate_regexp_init' should return a value [-Wreturn-type]

[MacPorts]

#40125: grok: error: non-void function 'grok_predicate_regexp_init' should return a
value [-Wreturn-type]
--------------------------+-------------------
  Reporter:  KurtPfeifle  |      Owner:  jim@…
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.2.0
Resolution:               |   Keywords:
      Port:  grok         |
--------------------------+-------------------

Comment (by chrstphrchvz):

 Port was set to `nomaintainer` [https://github.com/macports/macports-
 ports/commit/1d67ea888b211225ffd79ab4609ec8d61c4d353c in 2013.]

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Ticket URL: <https://trac.macports.org/ticket/40125#comment:4>
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