Function add_cert

lib_acl_cpp/include/acl_cpp/stream/sslbase_conf.hpp:118–124

* Add a server/client's own certificate. Can call this method multiple times * to load multiple certificates * @param crt_file {const char*} Full path of certificate file, non-empty * @param key_file {const char*} Full path of key file, non-empty * @param key_pass {const char*} Password of key file. Can write NULL if there * is no key password * @return {bool} Whether adding certificat

	 * @return {bool} Whether adding certificate was successful
	 */
	virtual bool add_cert(const char* crt_file, const char* key_file,
		const char* key_pass) {
		(void) crt_file;
		(void) key_file;
		(void) key_pass;
		return false;
	}

	// Only for compatibility with old API
	bool add_cert(const char* crt_file, const char* key_file) {