savedata_factory: Create save data directory if it's not already created.

src/core/file_sys/savedata_factory.cpp

@@ -5,6 +5,7 @@
 #include <cinttypes>
 #include <memory>
 #include "common/common_types.h"
+#include "common/file_util.h"
 #include "common/logging/log.h"
 #include "common/string_util.h"
 #include "core/file_sys/disk_filesystem.h"
@@ -20,8 +21,9 @@ ResultVal<std::unique_ptr<FileSystemBackend>> SaveData_Factory::Open(const Path&
     u64 title_id = Kernel::g_current_process->program_id;
     // TODO(Subv): Somehow obtain this value.
     u32 user = 0;
-    std::string save_directory = Common::StringFromFormat("%ssave/%016" PRIX64 "/%08X",
+    std::string save_directory = Common::StringFromFormat("%ssave/%016" PRIX64 "/%08X/",
                                                           nand_directory.c_str(), title_id, user);
+    FileUtil::CreateFullPath(save_directory); // Create path if not already created
     auto archive = std::make_unique<Disk_FileSystem>(save_directory);
     return MakeResult<std::unique_ptr<FileSystemBackend>>(std::move(archive));
 }