make intel happy with type_erased static_assert calls.

test/adaptor_test/type_erased.cpp

@@ -453,21 +453,21 @@ namespace boost_range_adaptor_type_erased_test
         typedef boost::any_range_type_generator<
                             std::vector<int> >::type any_range_type;
 
-        BOOST_STATIC_ASSERT(
+        BOOST_STATIC_ASSERT((
                 boost::is_same<
                     int,
                     boost::range_value<any_range_type>::type
                 >::value
-        );
+        ));
 
-        BOOST_STATIC_ASSERT(
+        BOOST_STATIC_ASSERT((
                 boost::is_same<
                     boost::random_access_traversal_tag,
                     boost::iterator_traversal<
                         boost::range_iterator<any_range_type>::type
                     >::type
                 >::value
-        );
+        ));
 
         any_range_type rng = c | type_erased_t();