[fzf-tmux] Fix cleanup of temporary files
[fzf-tmux] Fix cleanup of temporary files

Close #935

tomfitzhenry/pkg-fzf,wilywampa/fzf,wilywampa/fzf,junegunn/fzf,infokiller/fzf,junegunn/fzf,junegunn/fzf,janlazo/fzf,infokiller/fzf,tomfitzhenry/pkg-fzf,tomfitzhenry/pkg-fzf,stuha/wbr-zsh,wilywampa/fzf,janlazo/fzf,infokiller/fzf,janlazo/fzf