[MacPorts] #54214: folly: Update to 2017.03.20.00

[MacPorts]

#54214: folly: Update to 2017.03.20.00
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 Reporter:  ryandesign  |      Owner:  seanfarley
     Type:  update      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:  haspatch    |       Port:  folly
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 This updates folly to 2017.03.20.00. This builds for me on Sierra.

 I did not test all later versions, but the ones I did test didn't build.
 I've filed an upstream bug report about that.

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Ticket URL: <https://trac.macports.org/ticket/54214>
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