strat: always use explicit result namespacing

libraries/libstratosphere/source/fssystem/fssystem_directory_redirection_filesystem.cpp

@@ -68,7 +68,7 @@ namespace ams::fssystem {
         const size_t size = normalized_path_len + 1;
         char *new_dir = static_cast<char *>(fs::impl::Allocate(size));
         AMS_ABORT_UNLESS(new_dir != nullptr);
-        /* TODO: custom ResultAllocationFailure? */
+        /* TODO: custom fs::ResultAllocationFailure? */
 
         /* Copy path in. */
         std::memcpy(new_dir, normalized_path, normalized_path_len);

libraries/libstratosphere/source/fssystem/fssystem_directory_savedata_filesystem.cpp

@@ -133,7 +133,7 @@ namespace ams::fssystem {
         }
 
         /* TODO: Return a result here? Nintendo does not, but they have other allocation failed results. */
-        /* Consider returning ResultFsAllocationFailureInDirectorySaveDataFileSystem? */
+        /* Consider returning fs::ResultFsAllocationFailureInDirectorySaveDataFileSystem? */
         AMS_ABORT_UNLESS(false);
     }