updated for version 7.3.633

Problem:    Selection remains displayed as selected after selecting another
            text.
Solution:   Call xterm_update() before select(). (Andrew Pimlott)

src/version.c

@@ -719,6 +719,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    633,
 /**/
     632,
 /**/