patch 8.2.4383: Vim9: unused code lines

Problem:    Vim9: unused code lines.
Solution:   Rely on either "cctx" or "cstack" to not be NULL.
diff --git a/src/version.c b/src/version.c
index bccf8d9..d7cfb17 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4383,
+/**/
     4382,
 /**/
     4381,