Build error with git-84ed1a7

[NaN]

Code:

    CPP build/carsound.o
src/carsound.cpp: In member function ‘void CarSound::Update(const CarDynamics&, float)’:
src/carsound.cpp:332:17: error: cannot convert ‘unsigned int [4]’ to ‘size_t* {aka long unsigned int*}’ in assignment
    sound_active = tiresqueal;
                 ^
src/carsound.cpp:336:17: error: cannot convert ‘unsigned int [4]’ to ‘size_t* {aka long unsigned int*}’ in assignment
    sound_active = grasssound;
                 ^
src/carsound.cpp:341:17: error: cannot convert ‘unsigned int [4]’ to ‘size_t* {aka long unsigned int*}’ in assignment
    sound_active = gravelsound;
                 ^
src/carsound.cpp:346:17: error: cannot convert ‘unsigned int [4]’ to ‘size_t* {aka long unsigned int*}’ in assignment
    sound_active = tiresqueal;
                 ^
src/carsound.cpp:352:17: error: cannot convert ‘unsigned int [4]’ to ‘size_t* {aka long unsigned int*}’ in assignment
    sound_active = grasssound;
                 ^
src/carsound.cpp:358:17: error: cannot convert ‘unsigned int [4]’ to ‘size_t* {aka long unsigned int*}’ in assignment
    sound_active = tiresqueal;
                 ^
scons: *** [build/carsound.o] Error 1
scons: building terminated because of errors.

Any suggestions as to what I am doing wrong?

Yeah, that sound selection code wasn't 64bit safe. I've pushed a fix.