woothemes/woocommerce — pull request #4461 by justinstern (2014-01-07 05:52:02+00:00)
Title: Rename new woocommerce_order_item_quantity filter

Renaming to avoid clash with pre-existing filter of the same name:
https://github.com/woothemes/woocommerce/blob/cdb1ad5e9ebcc440a459690ebf6862c374b01dbf/includes/class-wc-order.php#L1470