fix: be more clear about client-to-client option

kylemanna#414

Author: BirdDev

bin/ovpn_genconfig

@@ -350,7 +350,7 @@ fi
 [ -n "$OVPN_CIPHER" ] && echo "cipher $OVPN_CIPHER" >> "$conf"
 [ -n "$OVPN_AUTH" ] && echo "auth $OVPN_AUTH" >> "$conf"
 
-[ -n "${OVPN_CLIENT_TO_CLIENT:-}" ] && echo "client-to-client" >> "$conf"
+[ "$OVPN_CLIENT_TO_CLIENT" == "1" ] && echo "client-to-client" >>"$conf"
 [ "$OVPN_COMP_LZO" == "1" ] && echo "comp-lzo" >> "$conf"
 [ "$OVPN_COMP_LZO" == "0" ] && echo "comp-lzo no" >> "$conf"