patch 8.0.0208: internally used commands end up in history

Problem:    Internally used commands for CTRL-Z and mouse click end up in
            history. (Matthew Malcomson)
Solution:   Use do_cmdline_cmd() instead of stuffing them in the readahead
            buffer. (James McCoy, closes #1395)

src/version.c

@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    208,
 /**/
     207,
 /**/