patch 9.0.0612: blockedit test passes with wrong result

Problem:    Blockedit test passes with wrong result.
Solution:   Add a "vim9script" line to make indenting work.
diff --git a/src/version.c b/src/version.c
index b582b26..e92207e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    612,
+/**/
     611,
 /**/
     610,