DEVELOPERS: add Bernd Kuhls for openvpn

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 8f1c2ad8c66eaf2be11d6621ae414709f37d893e)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

DEVELOPERS

@@ -448,6 +448,7 @@ F:	package/mpg123/
 F:	package/ntp/
 F:	package/nut/
 F:	package/onevpl-intel-gpu/
+F:	package/openvpn/
 F:	package/opus/
 F:	package/pciutils/
 F:	package/perl-crypt-openssl-guess/