Ignore leading whitespace and comment lines for peer-fingerprint.

Ignore leading whitespace and comment lines for peer-fingerprint.

Inline peer-fingerprint blocks can benefit from a bit of structuring
by indentation or by putting comments ("# this is Alice's key").

v2: accept ';' and '#' as comment delimiter.  Fix tab-indent.
v3: we want ==

Signed-off-by: Gert Doering <gert@greenie.muc.de>
Acked-by: Selva Nair <selva.nair@gmail.com>
Message-Id: <20210519133415.28627-1-gert@greenie.muc.de>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg22404.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>