patch 9.1.0988: Vim9: no error when using uninitialized var in new()

Problem:  Vim9: no error when using uninitialized var in new()
          (lifepillar, Aliaksei Budavei)
Solution: Give an error if an uninitialized object variable is referenced
          in new() (Yegappan Lakshmanan)

fixes: #14411
fixes: #16344
closes: #16374

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 1dbbca5..987aa9b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    988,
+/**/
     987,
 /**/
     986,