Update synopsis for list/forward_list/deque to match the allocator style of existing comment. No code change

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@190320 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/deque b/include/deque
index 5bb8ff7..e552858 100644
--- a/include/deque
+++ b/include/deque
@@ -41,7 +41,7 @@
     deque() noexcept(is_nothrow_default_constructible<allocator_type>::value);
     explicit deque(const allocator_type& a);
     explicit deque(size_type n);
-    explicit deque(size_type n, const Allocator& a); // C++14
+    explicit deque(size_type n, const allocator_type& a); // C++14
     deque(size_type n, const value_type& v);
     deque(size_type n, const value_type& v, const allocator_type& a);
     template <class InputIterator>
diff --git a/include/forward_list b/include/forward_list
index 2fbcdbe..398226b 100644
--- a/include/forward_list
+++ b/include/forward_list
@@ -38,7 +38,7 @@
         noexcept(is_nothrow_default_constructible<allocator_type>::value);
     explicit forward_list(const allocator_type& a);
     explicit forward_list(size_type n);
-    explicit forward_list(size_type n, const Allocator& a); // C++14
+    explicit forward_list(size_type n, const allocator_type& a); // C++14
     forward_list(size_type n, const value_type& v);
     forward_list(size_type n, const value_type& v, const allocator_type& a);
     template <class InputIterator>
diff --git a/include/list b/include/list
index f37cffd..800a1a3 100644
--- a/include/list
+++ b/include/list
@@ -40,7 +40,7 @@
         noexcept(is_nothrow_default_constructible<allocator_type>::value);
     explicit list(const allocator_type& a);
     explicit list(size_type n);
-    explicit list(size_type n, const Allocator& a); // C++14
+    explicit list(size_type n, const allocator_type& a); // C++14
     list(size_type n, const value_type& value);
     list(size_type n, const value_type& value, const allocator_type& a);
     template <class Iter>