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)
diff --git a/src/version.c b/src/version.c
index e350e9c..c2a80dc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    208,
+/**/
     207,
 /**/
     206,