Extract upstream KWSys using the following shell commands.

$ git archive --prefix=upstream-kwsys/ 5b0d1bd9 | tar x
$ git shortlog --no-merges --abbrev=8 --format='%h %s' 6fa1c99f..5b0d1bd9
Alan Hourihane (2):
      e81e2b72 DynamicLoader: Implement on Atari FreeMINT
      5c4dcb2b ProcessUNIX: No select on Atari FreeMINT

Sean McBride (2):
      bff2ea07 Glob: Fix clang -Wdocumentation warning
      5b0d1bd9 Fix clang -Weverything warnings

Change-Id: I8b342bea8bc9c7b92a856ddc948e1b56f5e74b98