libidn: bump to version 1.30

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libidn/libidn.hash

@@ -1,2 +1,2 @@
-# From https://lists.gnu.org/archive/html/info-gnu/2014-08/msg00006.html
-sha256	fb82747dbbf9b36f703ed27293317d818d7e851d4f5773dedf3efa4db32a7c7c	libidn-1.29.tar.gz
+# From http://lists.gnu.org/archive/html/help-libidn/2015-03/msg00001.html
+sha1	557e1e37f0978e975b21bcdc243c198cb708bb75	libidn-1.30.tar.gz

package/libidn/libidn.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBIDN_VERSION = 1.29
+LIBIDN_VERSION = 1.30
 LIBIDN_SITE = $(BR2_GNU_MIRROR)/libidn
 LIBIDN_INSTALL_STAGING = YES
 LIBIDN_CONF_ENV = EMACS="no"