Fix memory leaks.

Change-Id: I668c4295fd13d028fa53f6aa75ac6c6d4c6de44f
Reviewed-on: https://swiftshader-review.googlesource.com/4531
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>
4 files changed