patch 8.2.3339: Vim9: cannot lock a member in a local dict

Problem:    Vim9: cannot lock a member in a local dict.
Solution:   Get the local dict from the stack and pass it to get_lval().
diff --git a/src/version.c b/src/version.c
index 1acc17a..4c1be4e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3339,
+/**/
     3338,
 /**/
     3337,