Update parse-runtime.js

Check also the serverType cli param to define if the devServer is in https mode

Author: gillesdalle

lib/config/parse-runtime.js

@@ -41,7 +41,7 @@ module.exports = function(argv, cwd) {
             runtimeConfig.verbose = true;
 
             runtimeConfig.useDevServer = true;
-            runtimeConfig.devServerHttps = argv.https;
+            runtimeConfig.devServerHttps = argv.https || argv.serverType === 'https' ;
             runtimeConfig.devServerKeepPublicPath = argv.keepPublicPath || false;
 
             if (typeof argv.public === 'string') {