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/gethnamaddr.c b/libc/netbsd/gethnamaddr.c
index 1ab987e..04b1f54 100644
--- a/libc/netbsd/gethnamaddr.c
+++ b/libc/netbsd/gethnamaddr.c
@@ -756,8 +756,7 @@
 
 	/* This is writing to system/netd/DnsProxyListener.cpp and changes
 	 * here need to be matched there */
-	if (fprintf(proxy, "gethostbyname %d %s %s %d",
-			getpid(),
+	if (fprintf(proxy, "gethostbyname %s %s %d",
 			iface == NULL ? "^" : iface,
 			name == NULL ? "^" : name,
 			af) < 0) {
@@ -791,8 +790,8 @@
 	const char * addrStr = inet_ntop(af, addr, buf, sizeof(buf));
 	if (addrStr == NULL) goto exit;
 
-	if (fprintf(proxy, "gethostbyaddr %s %d %d %d %s",
-			addrStr, len, af, getpid(), iface == NULL ? "^" : iface) < 0) {
+	if (fprintf(proxy, "gethostbyaddr %s %d %d %s",
+			addrStr, len, af, iface == NULL ? "^" : iface) < 0) {
 		goto exit;
 	}