patch 8.1.0492: "Edit with existing Vim" list can get long

Problem:    "Edit with existing Vim" list can get long.
Solution:   Move the list to a submenu. (Ken Takata, closes #3561)
diff --git a/src/version.c b/src/version.c
index ad9b575..9283cc2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -793,6 +793,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    492,
+/**/
     491,
 /**/
     490,