message: fix the determinant
diff: @@ -226,7 +226,7 @@ IRR_FORCE_INLINE float determinant(const matrix4SIMD& m)
  {
  auto mat2adjmul = [](vectorSIMDf _A, vectorSIMDf _B)
  {
  - return _A.wwxx()*_B+_A.yyzz()*_B.zwxy();
  + return _A.wwxx()*_B-_A.yyzz()*_B.zwxy();
  };
  vectorSIMDf A = _mm_movelh_ps(m.rows[0].getAsRegister(), m.rows[1].getAsRegister());
  