shell-completion: systemd-analyze verify, systemctl link

Some zsh completion helpers were not installed, so completion
was broken.

Add systemd-analyze verify. Make systemctl link complete only
unit names.

1 files changed, 3 insertions, 0 deletions

diff --git a/TODO b/TODO
index 4a1313d41..d964b524d 100644
--- a/TODO
+++ b/TODO
@@ -704,6 +704,9 @@ External:
 
 * register catalog database signature as file magic
 
+* zsh shell completion: <command> <verb> -<TAB> should complete options, but currently
+  does not
+
 Regularly:
 
 * look for close() vs. close_nointr() vs. close_nointr_nofail()