patch 8.1.2240: popup window width changes when scrolling

Problem:    Popup window width changes when scrolling.
Solution:   Also adjust maxwidth when applying minwidth and there is a
            scrollbar.  Fix off-by-one error. (closes #5162)
diff --git a/src/version.c b/src/version.c
index d0f62e9..bd0390a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2240,
+/**/
     2239,
 /**/
     2238,