updated for version 7.3.859

Problem:    'ambiwidth' must be set by the user.
Solution:   Detects East Asian ambiguous width (UAX #11) state of the terminal
            at the start-up time and 'ambiwidth' accordingly.  (Hayaki Saito)

src/version.c

@@ -728,6 +728,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    859,
 /**/
     858,
 /**/