patch 8.2.2803: flicker when the popup menu has an info popup

Problem:    Flicker when the popup menu has an info popup.
Solution:   Avoid drawing over the popup when it's going to be redrawn in the
            same position. (closes #8131)  Also avoid redrawing the scrollbar.
diff --git a/src/version.c b/src/version.c
index 0918d5c..a6667e9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2803,
+/**/
     2802,
 /**/
     2801,