Fix renewal again.

A similar fix to 69f5fc9c45, but using a
public property exposed by an updated version of greenlock.

index.js

@@ -106,7 +106,7 @@ module.exports.run = function (args) {
   , rsaKeySize: args.rsaKeySize
   , challengeType: challengeType
   }).then(function (certs) {
-    if (!certs._renewing) {
+    if (!certs.renewing) {
       return certs;
     }
     console.log("");
@@ -115,7 +115,7 @@ module.exports.run = function (args) {
     console.log("\tValid until " + new Date(certs.expiresAt).toISOString() + "");
     console.log("");
     console.log("Renewing them now");
-    return certs._renewing;
+    return certs.renewing;
   }).then(function (certs) {
     console.log("");
     console.log("Got certificate(s) for " + certs.altnames.join(', '));

package.json

@@ -38,7 +38,7 @@
   "homepage": "https://git.daplie.com/Daplie/greenlock-cli",
   "dependencies": {
     "cli": "^0.11.1",
-    "greenlock": "^2.1.9",
+    "greenlock": "^2.1.16",
     "homedir": "^0.6.0",
     "le-acme-core": "^2.0.5",
     "le-challenge-hooks": "^2.0.0",