MVK: fix patch 21 a bit more

MobileVLCKit/patches/0021-contrib-gnutls-use-version-2.12.23-instead-of-3.1.16.patch

@@ -1,4 +1,4 @@
-From 627d6323c68e997929b642ee26f6b90b41e65b62 Mon Sep 17 00:00:00 2001
+From 7ae76fb68493f0cf11dccd2fec1460b8d27364a3 Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Felix=20Paul=20K=C3=BChne?= <fkuehne@videolan.org>
 Date: Thu, 21 Nov 2013 02:36:43 +0100
 Subject: [PATCH 21/23] contrib/gnutls: use version 2.12.23 instead of 3.1.16 which
@@ -17,7 +17,7 @@ index 67b664a..098d2ae 100644
 -ab6ab90966d1be767320f7c0aaea89cfd574391f82c4d602e8d73fec5f3b6bdee6032ea127f3d5fefd5db035ccabfb1ce34db0fdb87b0f451bd9d6f842195593  gnutls-3.1.17.tar.xz
 +7780e9ca7b592350ce9b11e53a63d3212320402d8ad2462bfbc0e69aec4a48bb372a1925627abb7996535c87c90e3d79537ea118c8bb36d26aae8e19eaae3a06  gnutls-2.12.23.tar.bz2
 diff --git a/contrib/src/gnutls/rules.mak b/contrib/src/gnutls/rules.mak
-index f2d5c7a..a2c1c9e 100644
+index f2d5c7a..0e3ffbb 100644
 --- a/contrib/src/gnutls/rules.mak
 +++ b/contrib/src/gnutls/rules.mak
 @@ -1,32 +1,20 @@
@@ -26,7 +26,7 @@ index f2d5c7a..a2c1c9e 100644
 -GNUTLS_VERSION := 3.1.17
 -GNUTLS_URL := ftp://ftp.gnutls.org/gcrypt/gnutls/v3.1/gnutls-$(GNUTLS_VERSION).tar.xz
 +GNUTLS_VERSION := 2.12.23
-+GNUTLS_URL := ftp://ftp.gnutls.org/gcrypt/gnutls/v3.1/gnutls-$(GNUTLS_VERSION).tar.bz2
++GNUTLS_URL := ftp://ftp.gnutls.org/gcrypt/gnutls/v2.12/gnutls-$(GNUTLS_VERSION).tar.bz2
  
  PKGS += gnutls
  ifeq ($(call need_pkg,"gnutls >= 3.0.20"),)