Fixed:
- type comparison mismatch
- redefined macros
- unused functions
- line endings

Change-Id: I965ca4b887aee968e6cf95feb36c3cbf90b85580
Reviewed-on: https://swiftshader-review.googlesource.com/8528Tested-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>