Clifford Wolf:

package/base/whois/ai_idn_hotfix.patch

@@ -0,0 +1,15 @@
+
+See:
+http://lists.ibiblio.org/pipermail/sm-commit/2006-August/005535.html
+
+--- ./whois.c.orig	2007-08-09 02:17:28.000000000 +0200
++++ ./whois.c	2007-08-09 02:17:38.000000000 +0200
+@@ -6,7 +6,7 @@
+  */
+ 
+ /* for AI_IDN */
+-#define _GNU_SOURCE
++//#define _GNU_SOURCE
+ 
+ /* System library */
+ #include <stdio.h>

package/base/whois/whois.desc

@@ -37,8 +37,8 @@
 
 [L] GPL
 [S] Stable
-[V] 4.7.21
+[V] 4.7.22
 [P] X -?---5---9 223.900
 
-[D] 3554850146 whois_4.7.21.tar.gz ftp://ftp.debian.org/debian/pool/main/w/whois/
+[D] 1937300486 whois_4.7.22.tar.gz ftp://ftp.debian.org/debian/pool/main/w/whois/