[MacPorts] #65740: webkit2-gtk 2.28.2_2 < 2.28.2_3 fails to build (upgrade) on Mavericks

[MacPorts]

#65740: webkit2-gtk 2.28.2_2 < 2.28.2_3 fails to build (upgrade) on Mavericks
--------------------+-------------------------
 Reporter:  tehcog  |      Owner:  (none)
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:  2.7.2
 Keywords:          |       Port:  webkit2-gtk
--------------------+-------------------------
 {{{
 platform.h:119:9: error: 'TARGET_OS_OSX' is not defined
 }}}

 please see attached log file.

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Ticket URL: <https://trac.macports.org/ticket/65740>
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