There seems to be a l10n bug in 'modules/gui/qt4/menus.hpp'
These 2 strings never show up in the vlc.pot file
/* Folder vs. Directory */
#if defined( WIN32 ) || defined(__APPLE__)
#define I_OPEN_FOLDER N_("Open &Folder...")
#else
#define I_OPEN_FOLDER N_("Open D&irectory...")
#endif //WIN32
Regards,
Daniel