[Buildroot] [PATCH] wireguard: bump to version 0.0.20180420

[Peter Korsgaard]

>>>>> "Jason" == Jason A Donenfeld <Jason at zx2c4.com> writes:

 > Signed-off-by: Jason A. Donenfeld <Jason at zx2c4.com>
 > ---
 > Important bump, so sending this along as a patch.

Thanks. I wanted to do so myself, but I have been busy with real life
stuff.

Committed, thanks.

-- 
Bye, Peter Korsgaard