Ensure that memory allocated for the ticket is freed

If a call to EVP_DecryptUpdate fails then a memory leak could occur.
Ensure that the memory is freed appropriately.

Issue reported by Guido Vranken.

Reviewed-by: Richard Levitte <levitte@openssl.org>

ssl/t1_lib.c

@@ -3162,6 +3162,7 @@ static int tls_decrypt_ticket(SSL *s, const unsigned char *etick,
     if (sdec == NULL
             || EVP_DecryptUpdate(ctx, sdec, &slen, p, eticklen) <= 0) {
         EVP_CIPHER_CTX_free(ctx);
+        OPENSSL_free(sdec);
         return -1;
     }
     if (EVP_DecryptFinal(ctx, sdec + slen, &mlen) <= 0) {