try to make Julia 1.0 happy

Author: alyst

src/dual.jl

@@ -817,14 +817,14 @@ end
 
 Base.:\(m::Union{LowerTriangular{<:LinearAlgebra.BlasFloat},
                  UpperTriangular{<:LinearAlgebra.BlasFloat},
-                 Matrix{<:LinearAlgebra.BlasFloat}},
-        x::AbstractVecOrMat{<:Dual}) =
+                 StridedMatrix{<:LinearAlgebra.BlasFloat}},
+        x::StridedVecOrMat{<:Dual}) =
     _map_dual_components(Base.Fix1(ldiv!, m), (x, _) -> ldiv!(m, x), x)
 
 Base.:*(m::Union{LowerTriangular{<:LinearAlgebra.BlasFloat},
                  UpperTriangular{<:LinearAlgebra.BlasFloat},
-                 Matrix{<:LinearAlgebra.BlasFloat}},
-        x::AbstractVecOrMat{<:Dual}) =
+                 StridedMatrix{<:LinearAlgebra.BlasFloat}},
+        x::StridedVecOrMat{<:Dual}) =
     _map_dual_components(Base.Fix1(lmul!, m), (x, _) -> lmul!(m, x), x)
 
 ###################