Auto-rehash during Zsh tab-completion
Auto-rehash during Zsh tab-completion

Finally got sick of having to remember to do that.  It might catch up to
me later in a different context (`rehash` should be near-instantaneous
with only local filesystems).

benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles