dev-tools: Avoid uncrustify mangling MAC_FMT macro

dev-tools: Avoid uncrustify mangling MAC_FMT macro

The MAC_FMT in src/openvpn/misc.h need to be formatted strictly, and
uncrustify does not fully grasp the current code.  So we tell it to not
touch it.

Signed-off-by: David Sommerseth <davids@openvpn.net>
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <20220420121322.42732-3-openvpn@sf.lists.topphemmelig.net>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg24121.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>