Fix compilation of tri(sparse) * dense with OpenMP
Fix compilation of tri(sparse) * dense with OpenMP

ritsu1228/eigen,ritsu1228/eigen,ROCmSoftwarePlatform/hipeigen,pasuka/eigen,pasuka/eigen,pasuka/eigen,ritsu1228/eigen,ROCmSoftwarePlatform/hipeigen,ritsu1228/eigen,ROCmSoftwarePlatform/hipeigen,TSC21/Eigen,pasuka/eigen,pasuka/eigen,ritsu1228/eigen,TSC21/Eigen,TSC21/Eigen,TSC21/Eigen,ROCmSoftwarePlatform/hipeigen