(regression introduced by16bd984557) This implements the same fix for jsimd_encode_mcu_AC_refine_prepare_sse2() thata81a8c137bimplemented for jsimd_encode_mcu_AC_first_prepare_sse2(). Based on:1a59587397eb176a91d8Fixes #509 Closes #510
(regression introduced by16bd984557) This implements the same fix for jsimd_encode_mcu_AC_refine_prepare_sse2() thata81a8c137bimplemented for jsimd_encode_mcu_AC_first_prepare_sse2(). Based on:1a59587397eb176a91d8Fixes #509 Closes #510