release: do-release-commit-and-tag depends on NEWS.
release: do-release-commit-and-tag depends on NEWS.

* build-aux/release.mk (release-commit): Add NEWS dependency, so
the link is in place before running do-release-commit-and-tag.

Signed-off-by: Gary V. Vaughan <f9023000f29773649f3850298becb9544b5fd6a9@gnu.org>

gvvaughan/slingshot