package/openvpn: bump version to 2.5.1

Release notes:
https://sourceforge.net/p/openvpn/mailman/message/37226597/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 002fa467bfbcc65497a500afcf2d29d388622e33)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/openvpn/openvpn.hash

@@ -1,3 +1,3 @@
 # Locally calculated after checking signature
-sha256  029a426e44d656cb4e1189319c95fe6fc9864247724f5599d99df9c4c3478fbd  openvpn-2.5.0.tar.xz
+sha256  40930489c837c05f6153f38e1ebaec244431ef1a034e4846ff732d71d59ff194  openvpn-2.5.1.tar.xz
 sha256  1fcb78d7e478bb8a9408010bdc91b36e213b1facfad093df3f7ce7e28af19043  COPYRIGHT.GPL

package/openvpn/openvpn.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-OPENVPN_VERSION = 2.5.0
+OPENVPN_VERSION = 2.5.1
 OPENVPN_SOURCE = openvpn-$(OPENVPN_VERSION).tar.xz
 OPENVPN_SITE = http://swupdate.openvpn.net/community/releases
 OPENVPN_DEPENDENCIES = host-pkgconf