inline-source: DO NOT EDIT warning only for top-level file.

* gl/build-aux/inline-source (func_include): When recursing, pass
through the value of `magic` so that only the very first #! magic
number has a DO NOT EDIT warning injected.
* bootstrap: Regenerate.

Signed-off-by: Gary V. Vaughan <gary@gnu.org>
bootstrap: replace spurious hyphen in some section comments.

* gl/build-aux/bootstrap.in: replace spurious hypen in same
section header comments with a space.
* gl/build-aux/extract-trace, gl/build-aux/options-parser:
Likewise.
* bootstrap: Regenerate.

Signed-off-by: Gary V. Vaughan <gary@gnu.org>
bootstrap: remove conftest.sed file droppings.

* gl/build-aux/funclib.sh: Remove conftest.sed when no longer
needed.
* bootstrap: Regenerate.

Signed-off-by: Gary V. Vaughan <gary@gnu.org>