patch 8.2.4867: listing of mapping with K_SPECIAL is wrong

Problem:    Listing of mapping with K_SPECIAL is wrong.
Solution:   Adjust escaping of special characters. (closes #10351)
diff --git a/src/version.c b/src/version.c
index 17bcfd1..d04a226 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4867,
+/**/
     4866,
 /**/
     4865,