[MacPorts] #54356: expat @2.2.0: security update to version 2.2.1

[MacPorts]

#54356: expat @2.2.0: security update to version 2.2.1
--------------------------+------------------------
  Reporter:  Schamschula  |      Owner:  ryandesign
      Type:  update       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  hapatch
      Port:  expat        |
--------------------------+------------------------
Changes (by Schamschula):

 * Attachment "Portfile-expat.diff" added.


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Ticket URL: <https://trac.macports.org/ticket/54356>
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