fixed conditional, where branch would never be reached

- this was probably missed during merge of serverless#253

Author: bweigel

lib/pip.js

@@ -281,7 +281,7 @@ function installRequirements(targetFolder, serverless, options) {
  * @return {string}
  */
 function dockerPathForWin(options, path) {
-  if (process.platform === 'win32') {
+  if (process.platform === 'win32' && options.dockerizePip) {
     return `"${path.replace(/\\/g, '/')}"`;
   } else if (process.platform === 'win32' && !options.dockerizePip) {
     return path;