patch 8.2.4208: using setbufvar() may change the window title

Problem:    Using setbufvar() may change the window title.
Solution:   Do not redraw when creating the autocommand window. (closes #9613)
diff --git a/src/version.c b/src/version.c
index 6703e8f..3b7cddd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4208,
+/**/
     4207,
 /**/
     4206,