bump gnutls from 3.4.6 to 3.4.10

Tuleap: #62
Change-Id: Icb45443231f45970317d56f4b7fdc11d5400e363

contrib/src/gnutls/SHA512SUMS

-c81da5bba3b28ab17ef762d8c6a6607745f1fa7177e0fdaacd374ac0ee64c14cd804e048aeb965383fafaa677ba2ed256c709a117f8a95012f8494c650d29c81  gnutls-3.4.6.tar.xz
+e5cd60240ebbcac9d8f7c28fdbf023a499e3c58a352a43c24d075b248a0a903161b1745641bf263519293c0014424cc23dbb67274c8934aaf273a523ad0a2925  gnutls-3.4.10.tar.xz

contrib/src/gnutls/downgrade-automake-requirement.patch

---- gnutls-3.4.0/configure.ac.orig	2013-09-17 18:17:09.840217108 +0200
-+++ gnutls-3.4.0/configure.ac	2013-09-17 18:19:36.609535012 +0200
-@@ -26,7 +26,7 @@
- AC_CONFIG_MACRO_DIR([m4])
- AC_CANONICAL_HOST
- 
--AM_INIT_AUTOMAKE([1.12.2 subdir-objects no-dist-gzip dist-xz dist-lzip -Wall -Wno-override])
-+AM_INIT_AUTOMAKE([1.11.1 subdir-objects no-dist-gzip dist-xz -Wall -Wno-override])
- m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
- AC_CONFIG_HEADERS([config.h])
- 

contrib/src/gnutls/rules.mak

 # GnuTLS
 
-GNUTLS_VERSION := 3.4.6
+GNUTLS_VERSION := 3.4.10
 GNUTLS_URL := ftp://ftp.gnutls.org/gcrypt/gnutls/v3.4/gnutls-$(GNUTLS_VERSION).tar.xz
 
 PKGS += gnutls
@@ -28,7 +28,6 @@ endif
 #endif
 	$(APPLY) $(SRC)/gnutls/gnutls-no-egd.patch
 	$(APPLY) $(SRC)/gnutls/read-file-limits.h.patch
-	$(APPLY) $(SRC)/gnutls/downgrade-automake-requirement.patch
 	$(APPLY) $(SRC)/gnutls/mac-keychain-lookup.patch
 	$(APPLY) $(SRC)/gnutls/format-security.patch
 	$(call pkg_static,"lib/gnutls.pc.in")