Mark skins2-config, wx-config and parent-item as internal

modules/demux/playlist/playlist.c

@@ -51,6 +51,7 @@ vlc_module_begin();
               AUTOSTART_TEXT, AUTOSTART_LONGTEXT, VLC_FALSE );
 
     add_integer( "parent-item", 0, NULL, NULL, NULL, VLC_TRUE );
+        change_internal();
 
     set_shortname( _("Playlist") );
     set_description( _("Playlist") );

modules/gui/skins2/src/skin_main.cpp

@@ -438,6 +438,7 @@ vlc_module_begin();
     add_string( "skins2-config", "", NULL, SKINS2_CONFIG, SKINS2_CONFIG_LONG,
                 VLC_TRUE );
         change_autosave();
+        change_internal();
 #ifdef WIN32
     add_bool( "skins2-systray", VLC_FALSE, onSystrayChange, SKINS2_SYSTRAY,
               SKINS2_SYSTRAY_LONG, VLC_FALSE );

modules/gui/wxwidgets/wxwidgets.cpp

@@ -164,6 +164,7 @@ vlc_module_begin();
     add_string( "wx-config-last", NULL, NULL,
                 "last config", "last config", VLC_TRUE );
         change_autosave();
+        change_internal();
     add_deprecated( "wxwin-config-last", VLC_FALSE); /*Deprecated since 0.8.4*/
 
     add_submodule();