[libcxx] [test] Make files consistently end with newlines, NFC.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@309465 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/utilities/memory/specialized.algorithms/uninitialized.construct.value/uninitialized_value_construct_n.pass.cpp

@@ -112,4 +112,4 @@ int main()
 {
     test_counted();
     test_value_initialized();
-}
+}

test/std/utilities/memory/specialized.algorithms/uninitialized.move/uninitialized_move.pass.cpp

@@ -111,4 +111,4 @@ void test_counted()
 int main() {
     test_counted();
     test_ctor_throws();
-}
+}

test/std/utilities/memory/specialized.algorithms/uninitialized.move/uninitialized_move_n.pass.cpp

@@ -114,4 +114,4 @@ int main()
 {
     test_counted();
     test_ctor_throws();
-}
+}