fix(file-list): Use correct find function

lib/file-list.js

@@ -85,7 +85,7 @@ var List = function (patterns, excludes, emitter, preprocess, batchInterval) {
 // Returns `undefined` if no match, otherwise the matching
 // pattern.
 List.prototype._isExcluded = function (path) {
-  return this._excludes.find(function (pattern) {
+  return _.find(this._excludes, function (pattern) {
     return mm(path, pattern)
   })
 }