Fix vexing parse in test.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@225633 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/experimental/utilities/utility/utility.erased.type/erased_type.pass.cpp

diff --git a/test/std/experimental/utilities/utility/utility.erased.type/erased_type.pass.cpp b/test/std/experimental/utilities/utility/utility.erased.type/erased_type.pass.cpp
index 3e38d5e..51f9ab6 100644
--- a/test/std/experimental/utilities/utility/utility.erased.type/erased_type.pass.cpp
+++ b/test/std/experimental/utilities/utility/utility.erased.type/erased_type.pass.cpp
@@ -13,5 +13,5 @@
 
 int main()
 {
-    std::experimental::erased_type e();
+    std::experimental::erased_type e;
 }