patch 8.2.2573: Vim9: using inalid pointer for error message

Problem:    Vim9: using inalid pointer for error message.
Solution:   Use the right pointer. (closes #7921)
diff --git a/src/version.c b/src/version.c
index 4036e2e..093f23d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2573,
+/**/
     2572,
 /**/
     2571,