updated for version 7.4.689
Problem:    On MS-Windows, when 'autochdir' is set, diff mode with files in
            different directories does not work. (Axel Bender)
Solution:   Remember the current directory and use it where needed. (Christian
            Brabandt)
diff --git a/src/version.c b/src/version.c
index 70f57bc..bc2714b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    689,
+/**/
     688,
 /**/
     687,