patch 8.2.4486: MS-Windows GUI: slow scrolling with maximized window

Problem:    MS-Windows GUI: slow scrolling with maximized window.
Solution:   Use a better way to check the window is on screen. (Ken Takata,
            closes #9865)
diff --git a/src/version.c b/src/version.c
index a574acb..e563142 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4486,
+/**/
     4485,
 /**/
     4484,