Update AbstractFFTsForwardDiffExt.jl

Author: dlfivefifty

ext/AbstractFFTsForwardDiffExt.jl

@@ -58,7 +58,7 @@ end
 for plan in (:plan_irfft, :plan_brfft)  # these take an extra argument, only when complex?
     @eval begin
         AbstractFFTs.$plan(x::AbstractArray{D}, dims=1:ndims(x)) where D<:Dual = dualplan(D, AbstractFFTs.$plan(dual2array(x), 1 .+ dims))
-        AbstractFFTs.$plan(x::AbstractArray{<:Complex{D}}, d::Integer, mdims=1:ndims(x)) where D<:Dual = dualplan(D, AbstractFFTs.$plan(dual2array(x), d, 1 .+ dims))
+        AbstractFFTs.$plan(x::AbstractArray{<:Complex{D}}, d::Integer, dims=1:ndims(x)) where D<:Dual = dualplan(D, AbstractFFTs.$plan(dual2array(x), d, 1 .+ dims))
     end
 end