Subject: bug#51291: image test failure --without-x

From: Glenn Morris <[email-masked]>
Date: Tue, 19 Oct 2021 13:29:24 -0400

Package: emacs
Severity: minor
Version: 29.0.50

In a --without-x build, make check fails with:

src/image-tests.log:
error("Invalid image type `%s'" jpeg)