CLEANUP: channel: fix comment in ci_putblk.

The comment is outdated and refer to an old code.

Should be backported until branch 1.5

(cherry picked from commit 147b3f05b5d5c3ec33f9d3ef2a6f79bbda1b3617)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
1 file changed