libksba: security bump to version 1.3.3

Fixes (no CVEs assigned yet):

* integer overflow in the DN decoder src/dn.c (append_quoted,
append_atv)

* integer overflow in the BER decoder src/ber-decoder.c (ber_decoder_s)

* denial of service due to stack overflow in src/ber-decoder.c
(push_decoder_state, pop_decoder_state)

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libksba/libksba.hash

@@ -1,2 +1,2 @@
-# From http://lists.gnupg.org/pipermail/gnupg-announce/2014q4/000359.html
-sha1	37d0893a587354af2b6e49f6ae701ca84f52da67	libksba-1.3.2.tar.bz2
+# Locally calculated after checking pgp signature
+sha256	0c7f5ffe34d0414f6951d9880a46fcc2985c487f7c36369b9f11ad41131c7786	libksba-1.3.3.tar.bz2

package/libksba/libksba.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBKSBA_VERSION = 1.3.2
+LIBKSBA_VERSION = 1.3.3
 LIBKSBA_SOURCE = libksba-$(LIBKSBA_VERSION).tar.bz2
 LIBKSBA_SITE = ftp://ftp.gnupg.org/gcrypt/libksba
 LIBKSBA_LICENSE = LGPLv3+ or GPLv2+ (library, headers), GPLv3+ (manual, tests, build system)