patch 8.1.0409: startup test fails on MS-Windows

Problem:    Startup test fails on MS-Windows.
Solution:   Do the Arabic test in silent Ex mode.  Loosen the check for -V2.
diff --git a/src/version.c b/src/version.c
index 51601a0..2726e63 100644
--- a/src/version.c
+++ b/src/version.c
@@ -795,6 +795,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    409,
+/**/
     408,
 /**/
     407,