Do this.
Open google.
Type: TBC talent trees. Look at them.
Then type: Cataclysm Talent trees. Look at them.
Then type: Mist Talent Trees. Look at them.
In the post YOU linked to look at the dates. They are right before BC dropped. Look at the comments that YOU linked to. They say you need 37 points in Affliction tree.
Use your brain and you can figure it out.