[xiphos-source] [crosswire/xiphos] 8845c6: Fix #954 - Build error under Arch Linux

[Dominique Corbex]

  Branch: refs/heads/master
  Home:   https://github.com/crosswire/xiphos
  Commit: 8845c65bb5b3ae51cd6df4257315a6ecd3db6583
      https://github.com/crosswire/xiphos/commit/8845c65bb5b3ae51cd6df4257315a6ecd3db6583
  Author: Dominique Corbex <16904657+domcorbex at users.noreply.github.com>
  Date:   2019-07-24 (Wed, 24 Jul 2019)

  Changed paths:
    M src/gtk/utilities.c
    M src/main/display.cc
    M src/main/sword.cc

  Log Message:
  -----------
  Fix #954 - Build error under Arch Linux