issue-8493: Fix for filenames with newlines using openssl dgst

issue-8493: Fix for filenames with newlines using openssl dgst

The output format now matches coreutils *dgst tools.

[ edited to remove trailing white space ]

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(cherry picked from commit f3448f5481a8d1f6fbf5fd05caaca229af0b87f7)

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/10094)