[MacPorts] #39608: cmake: update to 2.8.11.1

[MacPorts]

#39608: cmake: update to 2.8.11.1
---------------------+-------------------
 Reporter:  mojca@…  |      Owner:  css@…
     Type:  update   |     Status:  new
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:
 Keywords:           |       Port:  cmake
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 A new version of CMake is now available, see
 http://www.cmake.org/cmake/resources/software.html.

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Ticket URL: <https://trac.macports.org/ticket/39608>
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