Fix "uninitialized count" oversight in hackport

My alg assumed than an unused variable was 0
It seems that under some unexpected conditions, the value count is uninitialized, leading to a crash

changed due date to July 18, 2020

added bug label

created merge request !41 (merged) to address this issue

mentioned in merge request !41 (merged)

closed via merge request !41 (merged)

mentioned in commit 4dbf7bf0