rename wc_AesXtsSetKey_NoInit() to wc_AesXtsSetKeyNoInit() for morphological consistency; refactor wc_AesXtsSetKey() to call wc_AesXtsSetKeyNoInit() and clean up on failure; readability tweak in wolfSSL_EVP_CipherFinal().
The wolfSSL manual is available at: http://www.wolfssl.com/documentation/wolfSSL-Manual.pdf The wolfSSL API guide is available at: https://www.wolfssl.com/doxygen/wolfssl_API.html The wolfCrypt API guide is available at: https://www.wolfssl.com/doxygen/wolfcrypt_API.html