HSM: export php_openssl_pkey_from_zval()

Let's export it in order to design some calls from xp_ssl.c

Author: vjardin

ext/openssl/openssl.c

@@ -516,7 +516,6 @@ struct php_x509_request { /* {{{ */
 static X509 *php_openssl_x509_from_param(zend_object *cert_obj, zend_string *cert_str);
 static X509 *php_openssl_x509_from_zval(zval *val, bool *free_cert);
 static X509_REQ *php_openssl_csr_from_param(zend_object *csr_obj, zend_string *csr_str);
-static EVP_PKEY *php_openssl_pkey_from_zval(zval *val, int public_key, char *passphrase, size_t passphrase_len);
 
 static int php_openssl_is_private_key(EVP_PKEY* pkey);
 static X509_STORE * php_openssl_setup_verify(zval * calist);
@@ -3478,7 +3477,7 @@ static int php_openssl_pem_password_cb(char *buf, int size, int rwflag, void *us
 }
 /* }}} */
 
-static EVP_PKEY *php_openssl_pkey_from_zval(zval *val, int public_key, char *passphrase, size_t passphrase_len)
+EVP_PKEY *php_openssl_pkey_from_zval(zval *val, int public_key, char *passphrase, size_t passphrase_len)
 {
 	EVP_PKEY *key = NULL;
 	X509 *cert = NULL;

ext/openssl/php_openssl.h

@@ -108,6 +108,8 @@ PHP_OPENSSL_API zend_string* php_openssl_decrypt(
 	const char *iv, size_t iv_len,
 	const char *tag, zend_long tag_len,
 	const char *aad, size_t aad_len);
+PHP_OPENSSL_API EVP_PKEY *php_openssl_pkey_from_zval(zval *val, int public_key,
+	char *passphrase, size_t passphrase_len);
 
 /* OpenSSLCertificate class */