Fix some more includes

clang-tidy warns on these when run directly in a header file.  Fix them.

Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: Ib3366699c36e85644107690c23467f2ed22e398d
diff --git a/redfish-core/lib/task.hpp b/redfish-core/lib/task.hpp
index 105d4cd..cfe6c3e 100644
--- a/redfish-core/lib/task.hpp
+++ b/redfish-core/lib/task.hpp
@@ -18,6 +18,7 @@
 #include "app.hpp"
 #include "dbus_utility.hpp"
 #include "event_service_manager.hpp"
+#include "health.hpp"
 #include "query.hpp"
 #include "registries/privilege_registry.hpp"
 #include "task_messages.hpp"