patch 8.2.2609: test disabled on MS-Windows even though it should work

Problem:    Test disabled on MS-Windows even though it should work.
Solution:   Restore the condition for skipping the test. (Ken Takata,
            closes #7970)
diff --git a/src/version.c b/src/version.c
index 9d46da6..ef2f0cb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2609,
+/**/
     2608,
 /**/
     2607,