patch 8.1.2032: scrollbar thumb wrong in popup window

Problem:    Scrollbar thumb wrong in popup window.
Solution:   Adjust thumb size and position when scrolled.
diff --git a/src/version.c b/src/version.c
index 61e41bd..0c6b2d8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2032,
+/**/
     2031,
 /**/
     2030,