patch 8.2.5104: test hangs on MS-Windows

Problem:    Test hangs on MS-Windows.
Solution:   Skip another test on MS-Windows.
diff --git a/src/version.c b/src/version.c
index e3c52b7..1e6d82a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    5104,
+/**/
     5103,
 /**/
     5102,