patch 9.0.1949: Vim9: allows reserved keywords as members

Problem:  Vim9: allows reserved keywords as members
Solution: Disallow reserved keywords, disallow
          duplicate object and class variables

closes: #13209

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
diff --git a/src/version.c b/src/version.c
index 49b4067..dade6d2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1949,
+/**/
     1948,
 /**/
     1947,