torch on torch

Put the summary of the bug you're having here

What I expected to happen was: The torch would stick to the wall as in previous versions.

What actually happened was: the Torch I placed stayed suspended in the air.
Describe what happened here

Steps to Reproduce:
1. Place a torch on the wall
2. Place a torch on the torch. (it has to be a block beside the airblock where the new torch is going.
3. watch as you get a torch suspended in mid air.