Fix macro redefinition warning.

Bug 15387371

Change-Id: I1d9524b15a62a561508a5cc2b76ba0b1e8d37fdc
Reviewed-on: https://swiftshader-review.googlesource.com/4495
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>
1 file changed