initializing pidfile as null to prevent issue #5

fanout.c

@@ -157,7 +157,7 @@ int main (int argc, char *argv[])
     socklen_t optlen = sizeof(optval);
     u_int listen_backlog = 25;
     u_int max_events = 25;
-    FILE *pidfile;
+    FILE *pidfile = NULL;
     server_start_time = (long)time (NULL);
     char buffer[1025];