[MacPorts] #48623: rrdtool: update to 1.5.4

[MacPorts]

#48623: rrdtool: update to 1.5.4
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  Reporter:  youvegotmoxie@…  |      Owner:  ionic@…
      Type:  update           |     Status:  assigned
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.3.3
Resolution:                   |   Keywords:  haspatch
      Port:  rrdtool          |
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Comment (by ionic@…):

 Did you test this? Building in trace mode and everything? Preferably also
 whether the suite itself still works?

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Ticket URL: <https://trac.macports.org/ticket/48623#comment:2>
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