multi: make some multi_*() functions static

multi: make some multi_*() functions static

multi_process_float() and multi_print_status() are both invoked only
within multi.c, which is where they is defined.

For this reason we can make them static and drop their declaration
from multi.h.

Change-Id: Id5e06f0822a3e7e4ad1b6f93caaefdb6a8cfe547
Signed-off-by: Antonio Quartulli <antonio@mandelbit.com>
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <20250726135203.3452-1-gert@greenie.muc.de>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg32356.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>