wireguard: bump to 20180118

Bump to latest wireguard release snapshot:

9a93a3d version: bump snapshot
7bc0579 contrib: keygen-html: update curve25519 implementation
ffc13a3 tools: import new curve25519 implementations
0ae7356 curve25519: wire up new impls and remove donna
f90e36b curve25519: resolve symbol clash between fe types
505bc05 curve25519: import 64-bit hacl-star implementation
8c02050 curve25519: import 32-bit fiat-crypto implementation
96157fd curve25519: modularize implementation
4830fc7 poly1305: remove indirect calls
bfd1a5e tools: plug memleak in config error path
09bf49b external-tests: add python implementation
b4d5801 wg-quick: ifnames have max len of 15
6fcd86c socket: check for null socket before fishing out sport
ddb8270 global: year bump
399d766 receive: treat packet checking as irrelevant for timers

No patch refresh required.

Compile-tested-for: ar71xx
Run-tested-on: ar71xx Archer C7 v2

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>

package/network/services/wireguard/Makefile

@@ -11,12 +11,12 @@ include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=wireguard
 
-PKG_VERSION:=0.0.20171221
+PKG_VERSION:=0.0.20180118
 PKG_RELEASE:=1
 
 PKG_SOURCE:=WireGuard-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=https://git.zx2c4.com/WireGuard/snapshot/
-PKG_HASH:=2b97697e9b271ba8836a04120a287b824648124f21d5309170ec51c1f86ac5ed
+PKG_HASH:=463f3b402deb66b7ceac8df2d50944f32683933356455d6c1c7453926db3a8a3
 
 PKG_LICENSE:=GPL-2.0 Apache-2.0
 PKG_LICENSE_FILES:=COPYING