Log Message:
xlsclients: update to 1.1.5.

Alan Coopersmith (10):
      Update README for gitlab migration
      Update configure.ac bug URL for gitlab migration
      gitlab CI: add a basic build test
      Build xz tarballs instead of bzip2
      gitlab CI: stop requiring Signed-off-by in commits
      Quiet -Wmaybe-uninitialized warnings from gcc
      Handle -Wsign-compare warnings
      usage: add cold & noreturn attributes to function
      Resolve implicit conversion warnings from clang
      xlsclients 1.1.5