Build error on GCC 13 due to missing headers #788
Description
GCC 13 does not implicitly include cstdint, which breaks builds.
diff-gaussian-rasterization/cuda_rasterizer/rasterizer_impl.h(24): error: namespace "std" has no member "uintptr_t"
std::size_t offset = (reinterpret_cast<std::uintptr_t>(chunk) + alignment - 1) & ~(alignment - 1);