Don't pass pid to dnsproxyd

dnsproxyd can already determine our pid by looking at our
socket connection. It's dangerous (and unneeded) to pass it
ourselves.

Change-Id: I2596d02e361b302259ddb084be2fb75be59889c5
diff --git a/libc/netbsd/net/getaddrinfo.c b/libc/netbsd/net/getaddrinfo.c
index aed6b94..896055d 100644
--- a/libc/netbsd/net/getaddrinfo.c
+++ b/libc/netbsd/net/getaddrinfo.c
@@ -446,15 +446,14 @@
 
 	// Send the request.
 	proxy = fdopen(sock, "r+");
-	if (fprintf(proxy, "getaddrinfo %s %s %d %d %d %d %s %d",
+	if (fprintf(proxy, "getaddrinfo %s %s %d %d %d %d %s",
 		    hostname == NULL ? "^" : hostname,
 		    servname == NULL ? "^" : servname,
 		    hints == NULL ? -1 : hints->ai_flags,
 		    hints == NULL ? -1 : hints->ai_family,
 		    hints == NULL ? -1 : hints->ai_socktype,
 		    hints == NULL ? -1 : hints->ai_protocol,
-		    iface == NULL ? "^" : iface,
-		    getpid()) < 0) {
+		    iface == NULL ? "^" : iface) < 0) {
 		goto exit;
 	}
 	// literal NULL byte at end, required by FrameworkListener