Update install_typings

and a property in an object literal

Author: paulvanbrenk

Nodejs/Product/Nodejs/TypingsAcquisitionTool/bin/install_typings

@@ -30,7 +30,7 @@ if (!packagesToInstall.length) {
         var options = {
             save: argv.save,
             emitter: emitter,
-            options.global = name === "node", // Assume everything else refers to a CommonJS module
+            global: name === "node", // Assume everything else refers to a CommonJS module
             cwd: argv.cwd || process.cwd()
         };