patch 8.2.3405: cannot have a comment line in a {} block of a user command

Problem:    Cannot have a comment line in a {} block of a user command.
Solution:   Continue after the line break. (closes #8837)
diff --git a/src/version.c b/src/version.c
index cfddf6b..742f899 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3405,
+/**/
     3404,
 /**/
     3403,