patch 8.2.1704: Vim9: crash in for loop when autoload script has an error

Problem:    Vim9: crash in for loop when autoload script has an error.
Solution:   Reset suppress_errthrow.  Check for NULL list. (closes #6967)
diff --git a/src/version.c b/src/version.c
index f7e1720..0e52351 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1704,
+/**/
     1703,
 /**/
     1702,