[MacPorts] #44552: fix for ticket #38506 (tmux: does not build on 10.4)

[MacPorts]

#44552: fix for ticket #38506 (tmux: does not build on 10.4)
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 Reporter:  tessarek@…  |      Owner:  macports-tickets@…
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.3.1
 Keywords:              |       Port:  tmux
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 tmux does not compile on Mac OSX 10.4, because there's no libproc.h. In
 previous versions of tmux, the dependency on this include file was not
 required. tmux compiles and runs w/o any problems with commit c1b9948 of
 osdep-darwin.c.
 The change basically replaces this file in the current source tree.

 The attached file osdep-darwin.8.c belongs in the directory files.
 The diff file is the patch for Portfile.

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Ticket URL: <https://trac.macports.org/ticket/44552>
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