Compile error with closing optimization option

[NickSong]

Mixer.hpp:239:74: error: macro "_mm_shuffle_epi32" passed 5 arguments, but takes just 2
dp = _mm_add_epi32(dp, _mm_shuffle_epi32(dp, shuffle<2, 3, 0, 1>::value));
should be modified to:
dp = _mm_add_epi32(dp, _mm_shuffle_epi32(dp, (shuffle<2, 3, 0, 1>::value)));