patch 8.2.1246: Vim9: comment after assignment doesn't work

Problem:    Vim9: comment after assignment doesn't work.
Solution:   Skip over white space. (closes #6481)
diff --git a/src/version.c b/src/version.c
index 24ce5e8..e1df007 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1246,
+/**/
     1245,
 /**/
     1244,