[source] openvpn: update to 2.4.0

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/39d3a4117bde5565cc6c14b0e0f548e6679c8c2b

commit 39d3a4117bde5565cc6c14b0e0f548e6679c8c2b
Author: Magnus Kroken <mkroken at gmail.com>
AuthorDate: Fri Dec 30 01:33:16 2016 +0100

    openvpn: update to 2.4.0
    
    Signed-off-by: Magnus Kroken <mkroken at gmail.com>
---
 package/network/services/openvpn/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/package/network/services/openvpn/Makefile b/package/network/services/openvpn/Makefile
index 182093d..ab506d4 100644
--- a/package/network/services/openvpn/Makefile
+++ b/package/network/services/openvpn/Makefile
@@ -9,12 +9,12 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=openvpn
 
-PKG_VERSION:=2.4_rc2
+PKG_VERSION:=2.4.0
 PKG_RELEASE:=1
 
 PKG_SOURCE_URL:=http://swupdate.openvpn.net/community/releases
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
-PKG_HASH:=3e5dbfda2c1c941bc61e5e067601b31f578ad4cdf3683e569014e18c2cc6e2e9
+PKG_HASH:=6f23ba49a1dbeb658f49c7ae17d9ea979de6d92c7357de3d55cd4525e1b2f87e
 
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_NAME)-$(PKG_VERSION)