message: Fixes warning about unused variable in release mode.
diff: @@ -198,6 +198,7 @@ private:
  void checkValidIndex(Index idx) const
  {
  + AXOM_DEBUG_VAR(idx);
  SLIC_ASSERT_MSG(
  idx >= 0 && idx < m_numBits,
  "slam::Bitset attempted to out of range bit "
  