Add newlines at the EOF in conformance to Daniel's coding standards

proposal. This only affects Nmap's root directory. We might also need to
modify the code which autogenerates Nmap's source code files such as IPv6
fingerprinting code.

traceroute.cc

@@ -1649,3 +1649,4 @@ static struct timeval get_now(struct timeval *now) {
 static const char *ss_to_string(const struct sockaddr_storage *ss) {
   return inet_ntop_ez(ss, sizeof(*ss));
 }
+