patch 8.2.3650: Vim9: for loop variable can be a list member

Problem:    Vim9: for loop variable can be a list member.
Solution:   Check for valid variable name. (closes #9179)
diff --git a/src/version.c b/src/version.c
index 3851e80..121ce6e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3650,
+/**/
     3649,
 /**/
     3648,