* \param p_this the vlc object
* \param psz_capability list of capabilities needed
* \param psz_name name of the module asked
* \param p_this the vlc object
* \param psz_capability list of capabilities needed
* \param psz_name name of the module asked
* \return the module or NULL in case of a failure
*/
module_t * __module_need( vlc_object_t *p_this, const char *psz_capability,
* \return the module or NULL in case of a failure
*/
module_t * __module_need( vlc_object_t *p_this, const char *psz_capability,