patch 9.1.0320: Wrong cursor position after using setcellwidths()

Problem:  Wrong cursor position after using setcellwidths().
Solution: Invalidate cursor position in addition to redrawing.
          (zeertzjq)

closes: #14545

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 35ab83f..57849eb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    320,
+/**/
     319,
 /**/
     318,