libksba: bump to version 1.3.1

Also add hash file.

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

package/libksba/libksba.hash

@@ -0,0 +1,2 @@
+# Locally calculated after checking pgp signature
+sha256	bc96b95516bd2b67f413bc8b5cc5a75a2583c6e666d24dfd0d5bcc6b1aab46f9	libksba-1.3.1.tar.bz2

package/libksba/libksba.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBKSBA_VERSION = 1.3.0
+LIBKSBA_VERSION = 1.3.1
 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)