Small improvement for untracked feature
Small improvement for untracked feature

first argument of git status is <pathspec> in git speech,
and so if you feed it a directory, that contained an untracked file,
the directory would be marked as untracked. So fix this.

rchicoli/vim-airline,wilywampa/vim-airline,bling/vim-airline,chrisbra/vim-airline,unphased/vim-airline,tschundler/dotfiles,tschundler/dotfiles,blueyed/vim-airline,HarmtH/vim-airline,tschundler/dotfiles,vim-IDE/vim-airline,sappo/vim-airline,dalguji/vim-airline,mildred/vim-airline,yzhou61/vim-airline