Revert "Fix off-by-one errors in ssl_cipher_get_evp()"

This reverts commit 29411a0c7a00a73e4ca42be8b5a7401d3bb5107a.

Incorrect attribution.
Fix off-by-one errors in ssl_cipher_get_evp()

In the ssl_cipher_get_evp() function, fix off-by-one errors in index validation before accessing arrays.

Bug discovered and fixed by Miod Vallat from the OpenBSD team.

PR#3375
Merge branch 'OpenSSL_1_0_1-stable' of https://github.com/openssl/openssl into 1.0.1-chacha