patch 9.0.2016: Vim9: assignment operators don't work for class vars

Problem:  Vim9: assignment operators don't work for class vars
Solution: implement it

closes: #13306

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 61f6289..4031deb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2016,
+/**/
     2015,
 /**/
     2014,