[Commits] [wesnoth/wesnoth] 7aa39d: Go back to std::isalnum()

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: 7aa39dc451dbed52b76710f98d1e79686855d0ad
      https://github.com/wesnoth/wesnoth/commit/7aa39dc451dbed52b76710f98d1e79686855d0ad
  Author: Jyrki Vesterinen <sandgtx at gmail.com>
  Date:   2018-01-18 (Thu, 18 Jan 2018)

  Changed paths:
    M src/config.cpp

  Log Message:
  -----------
  Go back to std::isalnum()

It turned out that it works fine as long as it's called with a char
rather than unsigned char. (But to add to the confusion, the other
variant of the function in <cctype> *requires* that cast.)