[Buildroot] [PATCH] package/libesmtp: move SITE to s.b.n

[Peter Korsgaard]

>>>>> "Baruch" == Baruch Siach <baruch at tkos.co.il> writes:

 > The original site is gone, and the author is no longer providing
 > tarballs:

 >   https://libesmtp.github.io/notes.html

 > Change website link to the current official page.

 > Fixes:
 > http://autobuild.buildroot.net/results/d788315bf708c31e14ba5fb35dccf94753d5f78a/
 > http://autobuild.buildroot.net/results/83bfdd8e5f897b4d4be81c4c16106feb4e17bd50/

 > Signed-off-by: Baruch Siach <baruch at tkos.co.il>

Committed to 2021.02.x, thanks.

-- 
Bye, Peter Korsgaard