Fix the default value of $ctorArgs param in PDOStatement::fetchObject()

Author: kocsismate

ext/pdo/pdo_stmt.stub.php

@@ -41,7 +41,7 @@ public function fetchAll(int $mode = PDO::FETCH_DEFAULT, mixed ...$args) {}
     public function fetchColumn(int $column = 0) {}
 
     /** @return object|false */
-    public function fetchObject(?string $class = "stdClass", ?array $ctorArgs = null) {}
+    public function fetchObject(?string $class = "stdClass", array $ctorArgs = UNKNOWN) {}
 
     /** @return mixed */
     public function getAttribute(int $name) {}

ext/pdo/pdo_stmt_arginfo.h

@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 80860ee99befe1258900120f0c226688f6606c6f */
+ * Stub hash: 9b654220433724fc075d2f1afd01ae4c05a70731 */
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_PDOStatement_bindColumn, 0, 0, 2)
 	ZEND_ARG_TYPE_MASK(0, column, MAY_BE_STRING|MAY_BE_LONG, NULL)
@@ -55,7 +55,7 @@ ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_PDOStatement_fetchObject, 0, 0, 0)
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, class, IS_STRING, 1, "\"stdClass\"")
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, ctorArgs, IS_ARRAY, 1, "null")
+	ZEND_ARG_TYPE_INFO(0, ctorArgs, IS_ARRAY, 0)
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_PDOStatement_getAttribute, 0, 0, 1)