From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Date: Thu, 9 Aug 2018 10:08:24 -0500

> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> where we are expecting to fall through.
> 
> Notice that in this particular case, I replaced the code comment at the
> top of the switch statement with a proper "fall through" annotation for
> each case, which is what GCC is expecting to find.
> 
> Addresses-Coverity-ID: 1056542 ("Missing break in switch")
> Addresses-Coverity-ID: 1339579 ("Missing break in switch")
> Addresses-Coverity-ID: 1369526 ("Missing break in switch")
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>

Applied, thanks.