AC_CHECK_FUNC and AC_CHECK_FUNCS take 3 args. Any ones beyond that are
ignored. In several places, we're passing the "action-if-not-found" in
as the 4th arg so it's being ignored.
Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>