Log Message:
xmh: update to 1.0.4.

Alan Coopersmith (11):
      Update README for gitlab migration
      Update configure.ac bug URL for gitlab migration
      Fix spelling/wording issues
      Trim trailing whitespace from lines
      gitlab CI: add a basic build test
      Build xz tarballs instead of bzip2
      unifdef -UUSG
      unifdef -USYSV
      unifdef -UDGUX
      Convert vfork checks from Imake-style to autoconf-style
      xmh 1.0.4

Emil Velikov (1):
      autogen.sh: use quoted string variables

Mihail Konev (1):
      autogen: add default patch prefix

Peter Hutterer (1):
      autogen.sh: use exec instead of waiting for configure to finish