patch 8.2.4984: dragging statusline fails for window with winbar

Problem:    Dragging statusline fails for window with winbar.
Solution:   Fix off-by-one error. (closes #10448)
diff --git a/src/version.c b/src/version.c
index 1ac4560..40b81d1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4984,
+/**/
     4983,
 /**/
     4982,