lib/autoconf/specific.m4, lib/autoconf/status.m4,
lib/autoconf/types.m4, lib/autotest/general.m4,
tests/mktests.sh, tests/torture.at: White space cleanup:
remove some SPACE before TAB, or add quoting ('' or @&t@).
* config/auxdir.m4, config/cond.m4, config/depend.m4,
* config/init.m4, config/install-sh.m4, config/lispdir.m4,
* config/missing.m4, config/sanity.m4, config/select.m4,
* config/strip.m4: Remove, to ease sync'ing with any version of
Automake.