whois: bump to version 5.3.1

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/whois/whois.hash

@@ -1,5 +1,5 @@
-# From http://snapshot.debian.org/archive/debian/20180121T094839Z/pool/main/w/whois/whois_5.3.0.dsc
-sha256	4d789c403bfb5833c8ae168a5f31be70e34b045bd5d95a54c82a27b0ff135723	whois_5.3.0.tar.xz
+# From http://snapshot.debian.org/archive/debian/20180522T155750Z/pool/main/w/whois/whois_5.3.1.dsc
+sha256	ef4ead31306a388d9c8c83d67f56c94ed8b4c85e94f60baea2f5b1660445893e	whois_5.3.1.tar.xz
 
 # Hash for license file:
 sha256	8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643	COPYING

package/whois/whois.mk

@@ -4,8 +4,8 @@
 #
 ################################################################################
 
-WHOIS_VERSION = 5.3.0
-WHOIS_SITE = http://snapshot.debian.org/archive/debian/20180121T094839Z/pool/main/w/whois
+WHOIS_VERSION = 5.3.1
+WHOIS_SITE = http://snapshot.debian.org/archive/debian/20180522T155750Z/pool/main/w/whois
 WHOIS_SOURCE = whois_$(WHOIS_VERSION).tar.xz
 # take precedence over busybox implementation
 WHOIS_DEPENDENCIES = $(if $(BR2_PACKAGE_BUSYBOX),busybox) $(TARGET_NLS_DEPENDENCIES)