Fix find_related_uris to only print out the ranking if EXPLAIN_QUERIES is enabled
Fix find_related_uris to only print out the ranking if
EXPLAIN_QUERIES is enabled

freedesktop-unofficial-mirror/zeitgeist__zeitgeist,freedesktop-unofficial-mirror/zeitgeist__zeitgeist,freedesktop-unofficial-mirror/zeitgeist__zeitgeist,freedesktop-unofficial-mirror/zeitgeist__zeitgeist,freedesktop-unofficial-mirror/zeitgeist__zeitgeist