Do not print Diffie Hellman parameters file to log file

Do not print Diffie Hellman parameters file to log file

Suppress printing the complete Diffie Hellman parameters file
to the log file when it has been configured as an inline file.

Signed-off-by: Richard Bonhomme <tincanteksup@gmail.com>
Acked-by: Antonio Quartulli <antonio@openvpn.net>
Message-Id: <20210317223448.1278818-1-tincanteksup@gmail.com>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg21688.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>
(cherry picked from commit 4170da0778b926cea748c319163fdcfc7c6bc445)