unistd: don't prevent Tru64 Unix from using gnulib strtod. * lib/unistd.in.h: be careful not to include un-needed system stdlib.h from here, because that prevents gnulib stdlib.h from defining rpl_strtod correctly. Signed-off-by: Gary V. Vaughan <gary@gnu.org>

# See lib/git-merge-changelog.c for making this useful.
ChangeLog	merge=merge-changelog

# Run this to make 'git diff' on texinfo files give nicer hunk context:
#   git config diff.texinfo.funcname '^@node[	 ][	 ]*\\([^,][^,]*\\)'
*.texi* diff=texinfo