patch 7.4.730
Problem:    When setting the crypt key and using a swap file, text may be
            encrypted twice or unencrypted text remains in the swap file.
            (Issue 369)
Solution:   Call ml_preserve() before re-encrypting.  Set correct index for
            next pointer block.
diff --git a/src/version.c b/src/version.c
index 355aa06..6b8b15e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    730,
+/**/
     729,
 /**/
     728,