patch 9.1.0626: Vim9: need more tests with null objects

Problem:  Vim9: need more tests with null objects
          (after v9.1.0620)
Solution: add one more test with null_object
          (Ernie Rael)

closes: #15360

Signed-off-by: Ernie Rael <errael@raelity.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index a7b2539..54fda94 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    626,
+/**/
     625,
 /**/
     624,