Update CHANGELOG.md

add bullet for #386

Author: tunnckoCore

CHANGELOG.md

@@ -5,6 +5,7 @@
  * stop using deprecated features ([#516](https://github.com/node-formidable/node-formidable/pull/516), [#472](https://github.com/node-formidable/node-formidable/issues/472), [#406](https://github.com/node-formidable/node-formidable/issues/406))
  * throw error during data parsing ([#513](https://github.com/node-formidable/node-formidable/pull/513))
  * Array parameters support (array-like fields) ([#380](https://github.com/node-formidable/node-formidable/pull/380), [#340](https://github.com/node-formidable/node-formidable/pull/340))
+ * possible partial fix of [#386](https://github.com/node-formidable/node-formidable/pull/386) with #380 (need tests and better implementation)
 
 ### v1.2.1 (2018-03-20)