patch 8.1.2324: with of scrollbar in popup menu not taken into account

Problem:    With of scrollbar in popup menu not taken into account.
Solution:   Add the width of the scrollbar.
diff --git a/src/version.c b/src/version.c
index 4b5d180..0d8d597 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2324,
+/**/
     2323,
 /**/
     2322,