Convert cname lenght before use

The length of the cname is sent in big-endian
order. Thus, it has to be converted before used
in android_getaddrinfo_proxy

Change-Id: I1a0cc12780c47f7493fcf06f690515829f88c01e
diff --git a/libc/netbsd/net/getaddrinfo.c b/libc/netbsd/net/getaddrinfo.c
index bb6645c..edb4f70 100644
--- a/libc/netbsd/net/getaddrinfo.c
+++ b/libc/netbsd/net/getaddrinfo.c
@@ -541,6 +541,7 @@
 		if (fread(&name_len, sizeof(name_len), 1, proxy) != 1) {
 			break;
 		}
+		name_len = ntohl(name_len);
 		if (name_len != 0) {
 			ai->ai_canonname = (char*) malloc(name_len);
 			if (fread(ai->ai_canonname, name_len, 1, proxy) != 1) {