patch 9.0.1583: get E304 when using 'cryptmethod' "xchacha20v2"

Problem:    Get E304 when using 'cryptmethod' "xchacha20v2". (Steve Mynott)
Solution:   Add 4th crypt method to block zero ID check.  Avoid syncing a swap
            file before reading the file. (closes #12433)
diff --git a/src/version.c b/src/version.c
index 7138fee..19fc37f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1583,
+/**/
     1582,
 /**/
     1581,