Ensure _.pick paths aren't interpolated twice. [closes #3952]

lodash.js

@@ -3745,7 +3745,7 @@
      */
     function basePick(object, paths) {
       return basePickBy(object, paths, function(value, path) {
-        return hasIn(object, path);
+        return hasIn(object, [path]);
       });
     }