Added *.hc to list-of-files-to-remove-when-cleaning
# `Standard' set of files to clean out.
#
MOSTLY_CLEAN_FILES += \
- *.CKP *.ln *.BAK *.bak *.o core a.out errs ,* *.a .emacs_* \
+ *.CKP *.ln *.BAK *.bak *.o *.hc core a.out errs ,* *.a .emacs_* \
tags TAGS *.ind *.ilg *.idx *.idx-prev *.aux *.aux-prev *.dvi *.log \
*.toc *.lot *.lof *.blg *.info *.itxi *.itex *.ihtml *.cb