patch 9.1.1401: list not materialized in prop_list()

Problem:  list not materialized in prop_list()
          (Nickwiz)
Solution: materialize list before accessing it

fixes: #17298
closes: #17349

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index a6c749d..252c143 100644
--- a/src/version.c
+++ b/src/version.c
@@ -710,6 +710,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1401,
+/**/
     1400,
 /**/
     1399,