Custom 32x32 text in 16x16 format on restart

Put the summary of the bug you're having here

What I expected to happen was...:
Describe what you thought should happen here
----32 bit text font would be retained after restart

What actually happened was...:
Describe what happened here
----font gets scrambled, suspect game defaults back to 16x16 text spacings but retains all other aspects of the 32 bit texpack..or my resource pack is missing a critical file.
(pack is zipped at 46.87MB it is too big to attach)..

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ..load a custom 32x32 resource pack with 32bit fonts.
3. ...Quit game normally
4......restart game
to correct choose default resource pack, quit and then restart.