Don't cast an int * to a size_t *
Don't cast an int * to a size_t *

If sizeof(int) != sizeof(size_t) this may not work correctly.

Fixes a Coverity issue.

Reviewed-by: Richard Levitte <5fb523282dd7956571c80524edc2dccfa0bd8234@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7168)

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl