patch 8.2.2529: Vim9: Not possible to use legacy and Vim9 script in one file

Problem:    Vim9: Not possible to use legacy and Vim9 script in one file.
Solution:   Vim9: allow for "if false" before :vim9script. (closes #7851)
diff --git a/src/version.c b/src/version.c
index 4c0fb5c..68b5ab4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2529,
+/**/
     2528,
 /**/
     2527,