gnutls: bump to version 3.4.12

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

package/gnutls/gnutls.hash

@@ -1,2 +1,2 @@
 # Locally calculated after checking pgp signature
-sha256	70ef9c9f95822d363036c6e6b5479750e5b7fc34f50e750c3464a98ec65a9ab8	gnutls-3.4.11.tar.xz
+sha256	e3370a3bf60f2ca4a6204461ea99e7d7047ee46f96bc2fb7c63f103312d3c9c7	gnutls-3.4.12.tar.xz

package/gnutls/gnutls.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 GNUTLS_VERSION_MAJOR = 3.4
-GNUTLS_VERSION = $(GNUTLS_VERSION_MAJOR).11
+GNUTLS_VERSION = $(GNUTLS_VERSION_MAJOR).12
 GNUTLS_SOURCE = gnutls-$(GNUTLS_VERSION).tar.xz
 GNUTLS_SITE = ftp://ftp.gnutls.org/gcrypt/gnutls/v$(GNUTLS_VERSION_MAJOR)
 GNUTLS_LICENSE = GPLv3+, LGPLv2.1+