[MacPorts] #47325: add new port: libsdl2_gfx @1.0.1_0

[MacPorts]

#47325: add new port: libsdl2_gfx @1.0.1_0
--------------------------+----------------------
  Reporter:  xuchunyang   |      Owner:  (none)
      Type:  submission   |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  libsdl2_gfx  |
--------------------------+----------------------
Changes (by jmroot):

 * owner:  jmroot => (none)
 * cc: kencu (added)
 * version:  2.3.99 =>


Comment:

 I don't personally need it, but it's as valid a library as any to have a
 port for.

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Ticket URL: <https://trac.macports.org/ticket/47325#comment:2>
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