patch 8.2.1345: Redraw error when using visual block and scroll

Problem:    Redraw error when using visual block and scroll.
Solution:   Add check for w_topline. ( closes #6597)
diff --git a/src/version.c b/src/version.c
index c6b6e8f..fb8a37c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1345,
+/**/
     1344,
 /**/
     1343,