Fix incorrect rating-dist

[akkerman]

before:
$ goodreads book --rating-dist "Animal Farm"
★ ★ ★ ★ ★ :
★ ★ ★ ★ ☆ : 5
★ ★ ★ ☆ ☆ :
★ ★ ☆ ☆ ☆ : 4
★ ☆ ☆ ☆ ☆ : 2

Total : 0

after:
$ goodreads book --rating-dist "Animal Farm"
★ ★ ★ ★ ★ : 745260
★ ★ ★ ★ ☆ : 774734
★ ★ ★ ☆ ☆ : 466907
★ ★ ☆ ☆ ☆ : 143818
★ ☆ ☆ ☆ ☆ : 71574

Total : 2202293

[danishprakash]

@akkerman thanks for the pr. I've to ask about the environment you're using this because this works fine for me on macOS.

[akkerman]

I'm on Ubuntu, sed version 4.2.2

Example of the relevant difference:

$ echo "before|after" | sed "s/|/:/g"
before:after

$ echo "before|after" | sed "s/\|/:/g"
:b:e:f:o:r:e:|:a:f:t:e:r: