openvpn: update to 2.5.0

New features:
* Per client tls-crypt keys
* ChaCha20-Poly1305 can be used to encrypt the data channel
* Routes are added/removed via Netlink instead of ifconfig/route
  (unless iproute2 support is enabled).
* VLAN support when using a TAP device

Significant changes:
* Server support can no longer be disabled.
* Crypto support can no longer be disabled, remove nossl variant.
* Blowfish (BF-CBC) is no longer implicitly the default cipher.
  OpenVPN peers prior to 2.4, or peers with data cipher negotiation
  disabled, will not be able to connect to a 2.5 peer unless
  option data_fallback_ciphers is set on the 2.5 peer and it contains a
  cipher supported by the client.

Signed-off-by: Magnus Kroken <mkroken@gmail.com>

net/openvpn/patches/001-reproducible-remove_DATE.patch

@@ -1,9 +1,9 @@
 --- a/src/openvpn/options.c
 +++ b/src/openvpn/options.c
-@@ -106,7 +106,6 @@ const char title_string[] =
- #ifdef HAVE_AEAD_CIPHER_MODES
-     " [AEAD]"
+@@ -105,7 +105,6 @@ const char title_string[] =
  #endif
+ #endif
+     " [AEAD]"
 -    " built on " __DATE__
  ;