fix typo

Author: ChrisRackauckas

src/mapreduce.jl

@@ -3,7 +3,7 @@ import Base: any, count, countnz
 #############################
 # reduce
 # functions in base implemented with a direct loop need to be overloaded to use mapreduce
-any(pred, A::GPUArray) = Bool(mapreduce(pred, |, Cint(0), (u)))
+any(pred, A::GPUArray) = Bool(mapreduce(pred, |, Cint(0), A))
 count(pred, A::GPUArray) = Int(mapreduce(pred, +, UInt32(0), A))
 countnz(A::GPUArray) = Int(mapreduce(x-> x != 0, +, UInt32(0), A))
 countnz(A::GPUArray, dim) = Int(mapreducedim(x-> x != 0, +, UInt32(0), A, dim))