[MacPorts] #70376: KissXML: build failure with libxml2 2.12

[MacPorts]

#70376: KissXML: build failure with libxml2 2.12
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  Reporter:  i0ntempest  |      Owner:  Janosch
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  KissXML     |
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Description changed by ryandesign:

Old description:

> Related: https://trac.macports.org/ticket/69428
>
> Downgrading to 2.11.6 will allow port to build.

New description:

 Related: #69428

 Downgrading to 2.11.6 will allow port to build.

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Ticket URL: <https://trac.macports.org/ticket/70376#comment:3>
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