Fixed ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO macro

The macro was expanding to a wrong macro and thus leads to compile errors upon
usage. Changed it to expand to the correct macro.

Zend/zend_API.h

@@ -107,12 +107,12 @@ typedef struct _zend_fcall_info_cache {
 #define ZEND_ARG_VARIADIC_TYPE_INFO(pass_by_ref, name, type_hint, allow_null) { #name, ZEND_TYPE_ENCODE(type_hint, allow_null), pass_by_ref, 1 },
 #define ZEND_ARG_VARIADIC_OBJ_INFO(pass_by_ref, name, classname, allow_null)  { #name, ZEND_TYPE_ENCODE_CLASS_CONST(#classname, allow_null), pass_by_ref, 1 },
 
-
-#define ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(name, return_reference, required_num_args, classname, allow_null) \
+#define ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(name, return_reference, required_num_args, class_name, allow_null) \
 	static const zend_internal_arg_info name[] = { \
-		{ (const char*)(zend_uintptr_t)(required_num_args), ZEND_TYPE_ENCODE_CLASS_CONST(#classname, allow_null), return_reference, 0 },
+		{ (const char*)(zend_uintptr_t)(required_num_args), ZEND_TYPE_ENCODE_CLASS_CONST(#class_name, allow_null), return_reference, 0 },
+
 #define ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO(name, class_name, allow_null) \
-	ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(name, 0, -1, class_name, allow_null)
+	ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(name, 0, -1, class_name, allow_null)
 
 #define ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(name, return_reference, required_num_args, type, allow_null) \
 	static const zend_internal_arg_info name[] = { \