patch 8.1.1338: hang when concealing the '>' shown for half of wide char

Problem:    Hang when concealing the '>' shown for a wide char that doesn't
            fit in the last cell.
Solution:   Put back the pointer when the '>' is not going to be displayed.
            (closes #4377)
diff --git a/src/version.c b/src/version.c
index c34eed0..91ea914 100644
--- a/src/version.c
+++ b/src/version.c
@@ -768,6 +768,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1338,
+/**/
     1337,
 /**/
     1336,