message: clusterizer: Replace assert with static array size
  Instead of trying to work around gcc/clang warning, just make sure we
  allocate the worst case number of indices based on however many fit into
  a meshlet.
diff: @@ -174,12 +174,10 @@ meshopt_Cone meshopt_computeClusterCone(const unsigned int* indices, size_t inde
  meshopt_Cone meshopt_computeMeshletCone(const meshopt_Meshlet* meshlet, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride)
  {
  - assert(int(meshlet->triangle_count) <= 256);
  -
  assert(vertex_positions_stride > 0 && vertex_positions_stride <= 256);
  assert(vertex_positions_stride % sizeof(float) == 0);
  - unsigned int indices[256*3];
  + unsigned int indices[sizeof(meshlet->indices) / sizeof(meshlet->indices[0][0])];
  for (unsigned int i = 0; i < meshlet->triangle_count; ++i)
  {
  