message: fix wrong sign comparison
diff: @@ -194,10 +194,11 @@ unique_ptr<BufferHandle> BufferManager::Allocate(idx_t alloc_size) {
  }
  void BufferManager::ReAllocate(shared_ptr<BlockHandle> &handle, idx_t alloc_size) {
  + D_ASSERT(alloc_size >= Storage::BLOCK_SIZE);
  lock_guard<mutex> lock(handle->lock);
  D_ASSERT(handle->readers == 1);
  auto total_size = alloc_size + Storage::BLOCK_HEADER_SIZE;
  - uint64_t required_memory = total_size - handle->memory_usage;
  + int64_t required_memory = total_size - handle->memory_usage;
  if (required_memory > 0) {
  // evict blocks until we have space to increase the size of this block
  if (!EvictBlocks(required_memory, maximum_memory)) {
  