[V3][0/6] explicit_bzero

[roucaries . bastien]

The test should be fixed in case on hardened compiler (canaries).

Tested under linux with gcc and clang, and mingw (under wine)

[PATCH 1/6] Fix test in case of canaries on heap buffer after free
[PATCH 2/6] Use memset_s if possible for explicit_bzero
[PATCH 3/6] Use SecureZeroMemory on windows for explicit_bzero
[PATCH 4/6] Support clang for explicit_bzero
[PATCH 5/6] Implement fallback for explicit_bzero using jump to
[PATCH 6/6] Improve styling in explicit_bzero