Fix another giant batch of resource leaks. (Mostly memory, but there's

one missing fclose too.)

[originally from svn r9919]

raw.c

@@ -50,6 +50,7 @@ static void raw_log(Plug plug, int type, SockAddr addr, int port,
 	msg = dupprintf("Failed to connect to %s: %s", addrbuf, error_msg);
 
     logevent(raw->frontend, msg);
+    sfree(msg);
 }
 
 static void raw_check_close(Raw raw)