patch 9.0.0889: keycode check script has a few flaws

Problem:    Keycode check script has a few flaws.
Solution:   Sort on terminal name.  Ignore XTGETTCAP responses.  Check for
            version and status response.  Update entries.
diff --git a/src/version.c b/src/version.c
index fcc6719..e6526e0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    889,
+/**/
     888,
 /**/
     887,