Fix deprecated constructor

Author: harryscholes

test/bench_deque.jl

@@ -11,7 +11,7 @@ function batch_pushback!(v::Container, n::Int, e::T) where {Container,T}
 end
 
 v = Int[]
-q = deque(Int)
+q = Deque{Int}()
 
 batch_pushback!(v, 10, 0)
 t1 = @elapsed batch_pushback!(v, 10^7, 0)
@@ -33,7 +33,7 @@ function batch_pushfront!(v::Container, n::Int, e::T) where {Container,T}
 end
 
 v = Int[]
-q = deque(Int)
+q = Deque{Int}()
 
 batch_pushfront!(v, 10, 0)
 t1 = @elapsed batch_pushfront!(v, 10^7, 0)