dd: fix include, note gcc-11 TODO

libraries/libstratosphere/include/stratosphere/dd/dd_types.hpp

@@ -13,15 +13,15 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-
 #pragma once
 #include <vapours.hpp>
-#include <stratosphere/dd/dd_types.hpp>
 
 namespace ams::dd {
 
     using ProcessHandle = ::Handle;
 
+    /* TODO gcc-11: using MemoryPermission = os::MemoryPermission; using enum os::MemoryPermission; */
+
     enum MemoryPermission {
         MemoryPermission_None      = 0,
         MemoryPermission_ReadOnly  = (1u << 0),