KWSys 2017-04-20 (8785f84f)

Code extracted from:

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

at commit 8785f84f4760da060cdb2499155bb39532f8c053 (master).

Upstream Shortlog
-----------------

Ben Boeckel (2):
      ac0c67d2 gitattributes: indicate attributes to ignore when importing
      3dfeb55e gitattributes: rename the c-style attribute

Brad King (5):
      41a9dfef SystemInformation: Fix dynamic loader failure on WinXP SP2
      3ead6158 SystemTools: Fix stat() wrapper compilation with Borland
      e71a3406 Encoding: Add ToWindowsExtendedPath function
      41b8603c SystemTools: Use Encoding::ToWindowsExtendedPath
      edd8b5e0 FStream: Open files on Windows using UNC path

Chuck Atkins (1):
      0c4e58ec Silence warnings from newer CMake versions from CMP0048

Daniel Pfeifer (1):
      ce5b0d34 Disable include-what-you-use