Update fetch-compare-known script

etc/fetch-compare-known.sh

@@ -8,7 +8,7 @@ cat <<EOF
 Grep of log for each known server URL:
 
 EOF
-for url in $(jq -r 'map(.base_url) | .[] | ltrimstr("http://") | ltrimstr("https://")' cache/rooms.json); do
+for url in $(jq -r 'map(.base_url) | .[] | ltrimstr("http://") | ltrimstr("https://")' output/servers.json); do
 	echo "Results for $url:";
 	echo;
 	grep "$url" log.txt;