bug#72382: srfi-64: test-with-runner requires some decl-or-expr

Hello,

I think I found a bug in (srfi srfi-64) module shipped with GNU Guile.

test-with-runner has following signature:

    (test-with-runner runner decl-or-expr ...)

That, according to syntax-case rules (and how test-apply works with the same
definition) should mean that it accepts 0 or more decl-or-expr.  However that
does not seem to be the case:

    (use-modules (srfi srfi-64))
    (let ((r (test-runner-null)))
      (test-with-runner r))

Leading to:

    ;;; Syntax error:
    ;;; unknown location: lambda: bad lambda in form (lambda ())
    ice-9/psyntax.scm:2824:12: In procedure syntax-violation:
    Syntax error:
    unknown location: lambda: bad lambda in form (lambda ())

Have a nice day
Tomas Volf