patch 9.1.0084: Visual hl wrong when it ends before multibyte 'showbreak'

Problem:  Visual hl wrong when it ends before multibyte 'showbreak'.
          (lacygoil)
Solution: Use vcol_sbr instead of adding n_extra.
          (zeertzjq)

fixes: #11272
closes: #13996

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index e0f30f2..d961085 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    84,
+/**/
     83,
 /**/
     82,