patch 9.0.1491: wrong scrolling with ls=0 and :botright split

Problem:    Wrong scrolling with ls=0 and :botright split.
Solution:   Add statusline before calling frame_new_height(). (closes #12299)

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1491,
 /**/
     1490,
 /**/