Fix typo which causes test "m4_warn (bad categories)" to fail.

* lib/Autom4te/Channels.pm (report_bad_channel): Fix warning
  message so that it refers to autom4te instead of automake.
* build-aux/fetch.pl (fetch): Replace automake with autom4te in
  warning messages.

Copyright-paperwork-exempt: Yes
Co-authored-by: Kamila Szewczyk <szewczyk@cs.uni-saarland.de>
2 files changed