patch 8.2.0639: MS-Windows: messages test still fails

Problem:    MS-Windows: messages test still fails.
Solution:   Filter out the maintainer message.
diff --git a/src/version.c b/src/version.c
index 3ba7452..70af7b0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    639,
+/**/
     638,
 /**/
     637,