patch 8.2.1109: still crashing when using s:variable

Problem:    Still crashing when using s:variable.
Solution:   Remove assignment. (Ken Takata)
diff --git a/src/vim9compile.c b/src/vim9compile.c
index fdb422b..b3ed77d 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -2336,7 +2336,7 @@
     imported_T *
 find_imported(char_u *name, size_t len, cctx_T *cctx)
 {
-    scriptitem_T    *si = SCRIPT_ITEM(current_sctx.sc_sid);
+    scriptitem_T    *si;
     int		    idx;
 
     if (current_sctx.sc_sid <= 0)