Use the new NativeDaemonConnector style.

Prepend a 0 to match the new sequence-number style, though this module
doesn't really need/use it.

bug:5864209
Change-Id: Iacbcddaced6fe8bb01d186596a916e4fb4805fef
diff --git a/libc/netbsd/net/getaddrinfo.c b/libc/netbsd/net/getaddrinfo.c
index 6ae6e3e..6aee697 100644
--- a/libc/netbsd/net/getaddrinfo.c
+++ b/libc/netbsd/net/getaddrinfo.c
@@ -461,7 +461,7 @@
 
 	// Send the request.
 	proxy = fdopen(sock, "r+");
-	if (fprintf(proxy, "getaddrinfo %s %s %d %d %d %d",
+	if (fprintf(proxy, "0 getaddrinfo %s %s %d %d %d %d",
 		    hostname == NULL ? "^" : hostname,
 		    servname == NULL ? "^" : servname,
 		    hints == NULL ? -1 : hints->ai_flags,