Fix Qt chinese words encode problem on Windows

src/citra_qt/config.cpp

@@ -16,7 +16,7 @@ Config::Config() {
     // TODO: Don't hardcode the path; let the frontend decide where to put the config files.
     qt_config_loc = FileUtil::GetUserPath(D_CONFIG_IDX) + "qt-config.ini";
     FileUtil::CreateFullPath(qt_config_loc);
-    qt_config = new QSettings(QString::fromStdString(qt_config_loc), QSettings::IniFormat);
+    qt_config = new QSettings(QString::fromLocal8Bit(qt_config_loc.c_str()), QSettings::IniFormat);
 
     Reload();
 }

src/citra_qt/game_list.cpp

@@ -66,7 +66,7 @@ void GameList::ValidateEntry(const QModelIndex& item)
 
     if (file_path.isEmpty())
         return;
-    std::string std_file_path = file_path.toStdString();
+    std::string std_file_path = file_path.toLocal8Bit();
     if (!FileUtil::Exists(std_file_path) || FileUtil::IsDirectory(std_file_path))
         return;
     emit GameChosen(file_path);
@@ -148,7 +148,7 @@ void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, bool d
 
             emit EntryReady({
                 new GameListItem(QString::fromStdString(Loader::GetFileTypeString(filetype))),
-                new GameListItemPath(QString::fromStdString(physical_name)),
+                new GameListItemPath(QString::fromLocal8Bit(physical_name.c_str())),
                 new GameListItemSize(FileUtil::GetSize(physical_name)),
             });
         }