KWSys 2019-10-30 (43131a7c)

Code extracted from:

    https://gitlab.kitware.com/utils/kwsys.git

at commit 43131a7c283dd6f198a2318a25e546a97ac356b3 (master).

Upstream Shortlog
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Brad King (1):
      cdd52ce1 RegularExpression: Initialize RegularExpressionMatch arrays fully

Todd Martin (1):
      569a1aed Encoding: Add ToWindowsExtendedPath support for wide string