message: simplified if condition
diff: @@ -229,6 +229,8 @@ class Buffer {
  return append(value.data(), value.size());
  }
  + // reserves len *extra* bytes of storage space
  + // this should probably be renamed to reserveExtra
  inline void reserve(ValueLength len) {
  VELOCYPACK_ASSERT(_size <= _capacity);
  @@ -255,8 +257,8 @@ class Buffer {
  // need reallocation
  ValueLength newLen = _size + len;
  - static constexpr double growthFactor = 1.25;
  - if (_size > 0 && newLen < growthFactor * _size) {
  + constexpr double growthFactor = 1.25;
  + if (newLen < growthFactor * _size) {
  // ensure the buffer grows sensibly and not by 1 byte only
  newLen = static_cast<ValueLength>(growthFactor * _size);
  }
  