[Commits] [wesnoth/wesnoth] 5f09cf: Disallow specifying file paths with backslashes

[GitHub]

  Branch: refs/heads/no_backslashes
  Home:   https://github.com/wesnoth/wesnoth
  Commit: 5f09cf3f8d1b0ffd1ae6a2c2c0af36e01c4b5ef4
      https://github.com/wesnoth/wesnoth/commit/5f09cf3f8d1b0ffd1ae6a2c2c0af36e01c4b5ef4
  Author: Jyrki Vesterinen <sandgtx at gmail.com>
  Date:   2017-10-08 (Sun, 08 Oct 2017)

  Changed paths:
    M RELEASE_NOTES
    M changelog
    M src/filesystem_boost.cpp

  Log Message:
  -----------
  Disallow specifying file paths with backslashes

Backslashes only work on Windows. A UMC author may accidentally use them in
their add-on that won't then work properly on GNU/Linux and macOS.
Just disallow them on all platforms to avoid problems.