patch 7.4.1721
Problem:    The vimtbar files are unused.
Solution:   Remove them. (Ken Takata)
diff --git a/src/version.c b/src/version.c
index dc51874..ef777cf 100644
--- a/src/version.c
+++ b/src/version.c
@@ -749,6 +749,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1721,
+/**/
     1720,
 /**/
     1719,