BUG/MINOR: ssl: Fix potential overflow

Coverity raised a potential overflow issue in these new functions that
work on unsigned long long objects. They were added in commit 9b25982
"BUG/MEDIUM: ssl: Verify error codes can exceed 63".

This patch needs to be backported alongside 9b25982.

(cherry picked from commit e239e4938d89956e7820be4a0f26e782a86bcf6d)
Signed-off-by: William Lallemand <wlallemand@haproxy.org>
(cherry picked from commit 0ce2ac2a72716946ffd2f85398b9fe1e6f23c4cb)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit 17ff2ae4a7946e8f0b0cecf910bcdd57709debaf)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
1 file changed