updated for version 7.3.902
Problem:    When deleting last buffer in other tab the tabline is not updated.
Solution:   Set the redraw_tabline flag. (Yukihiro Nakadaira)
diff --git a/src/window.c b/src/window.c
index fadbb92..2b059bc 100644
--- a/src/window.c
+++ b/src/window.c
@@ -2070,6 +2070,7 @@
 
     --RedrawingDisabled;
 
+    redraw_tabline = TRUE;
     if (h != tabline_height())
 	shell_new_rows();
 }