Fix bug with ansi escape sequence

Fix bug with ansi escape sequence

EX:
when you type:
ls --color | peco

your output look like

 [0m [01;36mbin [0m                                                             
 [01;34mboot [0m
 [01;34mdev [0m
 [01;34metc [0m

now output are correctly displayed

bin                                                                             
boot
dev