<stdlib.h> header not included when it's needed

[IvyCons]

This error stopped the making process:
/Users/libfreenect/examples/micview.c:189:31: error: implicitly
declaring library function 'malloc' with type 'void (unsigned long)'
[-Werror,-Wimplicit-function-declaration]
state.buffers[0] = (int32_t)malloc(state.max_samples * sizeof(i...

I added #include <stdlib.h> to the file to resolve it.