patch 9.0.0439: cursor wrong if inserting before line with virtual text above

Problem:    Cursor wrong if inserting before line with virtual text above.
Solution:   Add the width of the "above" virtual text to the cursor position.
            (issue #11084)

src/version.c

@@ -703,6 +703,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    439,
 /**/
     438,
 /**/