add VC_RESTRICT macro: __restrict__ for GCC, __restrict for MSVC
add VC_RESTRICT macro: __restrict__ for GCC, __restrict for MSVC

VcDevel/Vc,chr-engwer/Vc,chr-engwer/Vc,VcDevel/Vc,chr-engwer/Vc,VcDevel/Vc,VcDevel/Vc