woothemes/woocommerce — pull request #6798 by bryceadams (2014-11-20 05:40:08+00:00)
Title: #2906 - Set reviews count in tab to only count actual reviews

Nested comments on products shouldn’t be treated as reviews. This addresses that by
using `$product->get_rating_count()` to determine the correct number of
reviews, instead of get_comments_number.

It can be filtered using the new `woocommerce_product_reviews_count`
filter.