patch 8.2.4290: MS-Windows: using type casts for timer IDs

Problem:    MS-Windows: using type casts for timer IDs.
Solution:   Remove type casts and use the right type. (Ken Takata,
            closes #9690)  Remove old debug comments.  Rename variables and
            functions.
diff --git a/src/version.c b/src/version.c
index 8ea43b5..6c09fb5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4290,
+/**/
     4289,
 /**/
     4288,