Fixed a typo in French translation

    <string name="account_settings_general_title">Paramètres généraux</string>

    <string name="account_settings_display_prefs_title">Affichage</string>

    <string name="account_settings_sync">Synchronication de dossiers</string>

    <string name="account_settings_sync">Synchronisation de dossiers</string>

    <string name="account_settings_folders">Dossiers</string>

    <string name="account_settings_message_lists">Listage de messages</string>

    <string name="account_settings_message_view">Visualisation de messages</string>