Update ext/MatrixAlgebraKitEnzymeExt/MatrixAlgebraKitEnzymeExt.jl

Co-authored-by: Jutho <Jutho@users.noreply.github.com>

Author: kshyatt

ext/MatrixAlgebraKitEnzymeExt/MatrixAlgebraKitEnzymeExt.jl

@@ -270,8 +270,9 @@ function EnzymeRules.reverse(
     ) where {RT}
     cache_A, cache_USVᴴ, dUSVᴴ, ind = cache
     Aval = something(cache_A, A.val)
+    USVᴴval = something(cache_USVᴴ, USVᴴ.val)
     if !isa(A, Const)
-        svd_pullback!(A.dval, Aval, cache_USVᴴ, dUSVᴴ, ind)
+        svd_pullback!(A.dval, Aval, USVᴴval, dUSVᴴ, ind)
     end
     !isa(USVᴴ, Const) && make_zero!(USVᴴ.dval)
     return (nothing, nothing, nothing)