patch 8.2.4803: WinScrolled not always triggered when scrolling with mouse

Problem:    WinScrolled not always triggered when scrolling with the mouse.
Solution:   Add calls to may_trigger_winscrolled(). (closes #10246)
diff --git a/src/version.c b/src/version.c
index 5ed7e76..e4e297e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4803,
+/**/
     4802,
 /**/
     4801,