syntax error fix

Author: wsmoses

src/TracedRArray.jl

@@ -26,7 +26,7 @@ ReactantCore.is_traced(::TracedRArray) = true
 
 Base.strides(x::TracedRArray) = Base.size_to_strides(1, size(x)...)
 
-function Base.convert(::Type{TracedRArray, x::AbstractArray)
+function Base.convert(::Type{TracedRArray}, x::AbstractArray)
     Base.convert(TracedRArray{eltype(x), ndims(x)})
 end