patch 8.2.1553: crash in edit test

Problem:    Crash in edit test.
Solution:   Avoid using invalid pointer.
diff --git a/src/version.c b/src/version.c
index b709939..8155ffc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1553,
+/**/
     1552,
 /**/
     1551,