openvpn: update to 2.4.9

This is primarily a maintenance release with bugfixes and improvements.
This release also fixes a security issue (CVE-2020-11810) which allows
disrupting service of a freshly connected client that has not yet
negotiated session keys. The vulnerability cannot be used to
inject or steal VPN traffic.

Release announcement:
https://openvpn.net/community-downloads/#heading-13812
Full list of changes:
https://community.openvpn.net/openvpn/wiki/ChangesInOpenvpn24#OpenVPN2.4.9

Signed-off-by: Magnus Kroken <mkroken@gmail.com>
(cherry-picked from commit d7e98bd7c5)

package/network/services/openvpn/Makefile

@@ -9,14 +9,14 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=openvpn
 
-PKG_VERSION:=2.4.8
+PKG_VERSION:=2.4.9
 PKG_RELEASE:=1
 
 PKG_SOURCE_URL:=\
 	https://build.openvpn.net/downloads/releases/ \
 	https://swupdate.openvpn.net/community/releases/
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
-PKG_HASH:=fb8ca66bb7807fff595fbdf2a0afd085c02a6aa47715c9aa3171002f9f1a3f91
+PKG_HASH:=641f3add8694b2ccc39fd4fd92554e4f089ad16a8db6d2b473ec284839a5ebe2
 
 PKG_MAINTAINER:=Felix Fietkau <nbd@nbd.name>
 

package/network/services/openvpn/patches/100-mbedtls-disable-runtime-version-check.patch

@@ -1,6 +1,6 @@
 --- a/src/openvpn/ssl_mbedtls.c
 +++ b/src/openvpn/ssl_mbedtls.c
-@@ -1406,7 +1406,7 @@ const char *
+@@ -1415,7 +1415,7 @@ const char *
  get_ssl_library_version(void)
  {
      static char mbedtls_version[30];

package/network/services/openvpn/patches/110-openssl-dont-use-deprecated-ssleay-symbols.patch

@@ -47,7 +47,7 @@ Signed-off-by: Gert Doering <gert@greenie.muc.de>
  #endif
 --- a/src/openvpn/ssl_openssl.c
 +++ b/src/openvpn/ssl_openssl.c
-@@ -1977,7 +1977,7 @@ get_highest_preference_tls_cipher(char *
+@@ -2008,7 +2008,7 @@ get_highest_preference_tls_cipher(char *
  const char *
  get_ssl_library_version(void)
  {