woothemes/woocommerce — pull request #4552 by claudiosmweb (2014-01-21 20:30:47+00:00)
Title: Hotfix for #4549

Removed the display of select coupons when they do not exist in the reports screen.

![filter-by-coupon-when-is-empty](https://f.cloud.github.com/assets/1264099/1967911/e70b555c-82da-11e3-87fa-bbcc45731c94.png)