patch 9.1.1105: Vim9: no support for protected new() method

Problem:  Vim9: no support for protected new() method
Solution: support the protected "_new()" object method
          (Yegappan Lakshmanan)

closes: #16604

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/version9.txt b/runtime/doc/version9.txt
index 3614ce3..fbe9b98 100644
--- a/runtime/doc/version9.txt
+++ b/runtime/doc/version9.txt
@@ -1,4 +1,4 @@
-*version9.txt*  For Vim version 9.1.  Last change: 2025 Feb 08
+*version9.txt*  For Vim version 9.1.  Last change: 2025 Feb 11
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -41551,6 +41551,8 @@
 
 Enum support for Vim9 script |:enum|
 
+Support for protected _new() method
+
 							*new-other-9.2*
 Other new features ~
 ------------------