Re: [PATCH] ipv4: mark expected switch fall-throughs

From: "Gustavo A. R. Silva" <redacted>
Date: Mon, 16 Oct 2017 15:48:55 -0500

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Notice that in some cases I placed the "fall through" comment
on its own line, which is what GCC is expecting to find.

Addresses-Coverity-ID: 115108
Signed-off-by: Gustavo A. R. Silva <redacted>

Applied.