resolv: really fix res_close not to hang with ipv6

Fix goof in previous commit.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

libc/inet/resolv.c

@@ -3008,8 +3008,8 @@ void res_close(void)
 		char *p1 = (char*) &(_res.nsaddr_list[0]);
 		int m = 0;
 		/* free nsaddrs[m] if they do not point to nsaddr_list[x] */
-		while (m++ < ARRAY_SIZE(_res._u._ext.nsaddrs)) {
-			char *p2 = (char*)(_res._u._ext.nsaddrs[m]);
+		while (m < ARRAY_SIZE(_res._u._ext.nsaddrs)) {
+			char *p2 = (char*)(_res._u._ext.nsaddrs[m++]);
 			if (p2 < p1 || (p2 - p1) > sizeof(_res.nsaddr_list))
 				free(p2);
 		}