Don't run graph algorithms if no edge is deleted in terminate_connection().
[tinc] / doc / sample-config /
drwxr-xr-x   ..
drwxr-xr-x - hosts
-rw-r--r-- 48 rsa_key.priv
-rw-r--r-- 76 tinc-down
-rw-r--r-- 656 tinc-up
-rw-r--r-- 840 tinc.conf