Adds build for OpenSSL 1.1.0h

win32/include/openssl/bn.h

@@ -196,7 +196,7 @@ int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx);
  */
 void BN_set_negative(BIGNUM *b, int n);
 /** BN_is_negative returns 1 if the BIGNUM is negative
- * \param  a  pointer to the BIGNUM object
+ * \param  b  pointer to the BIGNUM object
  * \return 1 if a < 0 and 0 otherwise
  */
 int BN_is_negative(const BIGNUM *b);