patch 9.0.0483: illegal memory access when replacing in virtualedit mode

Problem:    Illegal memory access when replacing in virtualedit mode.
Solution:   Check for replacing NUL after Tab.
diff --git a/src/version.c b/src/version.c
index 19f9e00..8b6367a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -704,6 +704,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    483,
+/**/
     482,
 /**/
     481,