patch 9.0.0492: cmdwin test fails on MS-Windows

Problem:    Cmdwin test fails on MS-Windows.
Solution:   Skip test on MS-Windows.
diff --git a/src/version.c b/src/version.c
index 15c9404..068369b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    492,
+/**/
     491,
 /**/
     490,