Fix s_pclmul_is_supported() cache flag on MSVC#721

sjaeckel merged 1 commit intolibtom:developlibtom/libtomcrypt:developfrom

cyanogilvie:fix/pclmul-cache-init-msvccyanogilvie/libtomcrypt:fix/pclmul-cache-init-msvcCopy head branch name to clipboard