updated for version 7.3.863

Problem:    Problem with 'ambiwidth' detection for ANSI terminal.
Solution:   Work around not recognizing a term response. (Hayaki Saito)

src/version.c

@@ -728,6 +728,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    863,
 /**/
     862,
 /**/