Fix error in --letsencrypt=subdomain

install

@@ -684,7 +684,7 @@ if [ -x /usr/local/bin/wo ]; then
             fi
             if [ -z "$wo_preserve_config" ]; then
                 if [ -n "$(command -v nginx)" ]; then
-                    if ! grep -q "v3.9.5." /etc/nginx/common/release; then
+                    if [ ! -f /etc/nginx/common/release ] || ! grep -q "v3.9.6" /etc/nginx/common/release; then
                         wo_lib_echo "Upgrading Nginx" | tee -ai $wo_install_log
                         wo_upgrade_nginx | tee -ai $wo_install_log
                     fi

wo/cli/plugins/site_functions.py

@@ -1369,7 +1369,7 @@ def setupLetsEncrypt(self, wo_domain_name, subdomain=False, wildcard=False,
                                        "'/etc/letsencrypt/config' "
                                        "--issue "
                                        "-d {0} {1}"
-                                       "-k {3} -f"
+                                       "-k {2} -f"
                                        .format(wo_domain_name,
                                                acme_mode,
                                                keylenght))