zend_ast: Avoid needless indirection through zend_ast_export_ns_name()

Author: TimWolla

Zend/zend_ast.c

@@ -2544,7 +2544,7 @@ static ZEND_COLD void zend_ast_export_ex(smart_str *str, zend_ast *ast, int prio
 					break;
 				default:
 					smart_str_appendc(str, '(');
-					zend_ast_export_ns_name(str, left, 0, indent);
+					zend_ast_export_ex(str, left, 0, indent);
 					smart_str_appendc(str, ')');
 					break;
 			}