fix macro def

Author: remicollet

ext/openssl/php_openssl.h

@@ -179,7 +179,7 @@ static inline php_openssl_certificate_object *php_openssl_certificate_from_obj(z
 #define PHP_OPENSSL_PWHASH_OPSLIMIT 4
 #endif
 #if defined(PHP_PASSWORD_ARGON2_THREADS)
-#define PHP_PASSWORD_ARGON2_THREADS PHP_PASSWORD_ARGON2_THREADS
+#define PHP_OPENSSL_PWHASH_THREADS PHP_PASSWORD_ARGON2_THREADS
 #else
 #define PHP_OPENSSL_PWHASH_THREADS 1
 #endif