updated for version 7.3.397
Problem:    ":helpgrep" does not work properly when 'encoding' is not utf-8 or
            latin1.
Solution:   Convert non-ascii lines to 'encoding'. (Yasuhiro Matsumoto)
diff --git a/src/version.c b/src/version.c
index e0d926d..777c15e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    397,
+/**/
     396,
 /**/
     395,