herzfeldd

The underlying call to the C functions already use a `Csize_t` at src/api/opencl_1.0.0.jl#43. The cast to either the original `cl_uint` or `cl_long` is not strictly necessary as Julia's `ccall` should...

To be consistent with the rest of the code in `buffer.jl`, I removed the explicit cast in its entirety. The remainder of the functions (e.g., `enqueue_copy_buffer`, `enqueue_map_mem`) use the result...