patch 8.2.0471: missing change to compile_list()

Problem:    Missing change to compile_list().
Solution:   Add error message.
diff --git a/src/vim9compile.c b/src/vim9compile.c
index 12dae49..584618c 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -2173,7 +2173,10 @@
     while (*p != ']')
     {
 	if (*p == NUL)
+	{
+	    semsg(_(e_list_end), *arg);
 	    return FAIL;
+	}
 	if (compile_expr1(&p, cctx) == FAIL)
 	    break;
 	++count;
@@ -2199,7 +2202,7 @@
     ufunc_T	*ufunc;
 
     // Get the funcref in "rettv".
-    if (get_lambda_tv(arg, &rettv, TRUE) == FAIL)
+    if (get_lambda_tv(arg, &rettv, TRUE) != OK)
 	return FAIL;
 
     ufunc = rettv.vval.v_partial->pt_func;