use require() to lookup path to lodash, rather than guess (#2558)

fixes #2556

Co-authored-by: Patrick Kettner <patrickkettner@gmail.com>

lib/build.js

@@ -145,7 +145,7 @@ if (inBrowser) {
 
   baseRequireConfig.baseUrl = __dirname + '/../src';
   baseRequireConfig.paths = {
-    lodash: __dirname + '/../node_modules/lodash/lodash',
+    lodash: require.resolve('lodash'),
     test: __dirname + '/../feature-detects',
     lib: __dirname
   };