-diff -u -r ../mutt-1.6.0/getdomain.c ./getdomain.c
---- ../mutt-1.6.0/getdomain.c 2016-04-02 14:12:22.000000000 -0400
-+++ ./getdomain.c 2016-04-06 06:18:24.614628451 -0400
-@@ -44,7 +44,9 @@
- hints.ai_flags = AI_CANONNAME;
+diff -u -r ../mutt-1.7.1/getdomain.c ./getdomain.c
+--- ../mutt-1.7.1/getdomain.c 2016-10-08 15:30:21.000000000 -0400
++++ ./getdomain.c 2016-10-08 17:58:14.895654111 -0400
+@@ -46,7 +46,9 @@
hints.ai_family = AF_UNSPEC;
+ /* A DNS name can actually be only 253 octets, string is 256 */
+#ifdef _SC_HOST_NAME_MAX
if ((node_len = sysconf(_SC_HOST_NAME_MAX)) == -1)
+#endif