Fix wrong path to mark unload-hyperlink-targeted.html as failing.

BUG=381364
TBR=peter@chromium.org

Review URL: https://codereview.chromium.org/322443003

git-svn-id: svn://svn.chromium.org/blink/trunk@175607 bbb929c8-8fbe-4397-9dbb-9b2b20218538