All other Interfaces already moved on.Only my oldrc was left :)

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
(cherry picked from commit e21730c4)

modules/control/rc.c

@@ -1549,12 +1549,12 @@ static int VolumeMove( vlc_object_t *p_this, char const *psz_cmd,
 
     if ( !strcmp(psz_cmd, "volup") )
     {
-        if ( aout_VolumeUp( p_this, i_nb_steps, &i_volume ) < 0 )
+        if ( aout_VolumeUp( p_intf->p_sys->p_playlist, i_nb_steps, &i_volume ) < 0 )
             i_error = VLC_EGENERIC;
     }
     else
     {
-        if ( aout_VolumeDown( p_this, i_nb_steps, &i_volume ) < 0 )
+        if ( aout_VolumeDown( p_intf->p_sys->p_playlist, i_nb_steps, &i_volume ) < 0 )
             i_error = VLC_EGENERIC;
     }
     osd_Volume( p_this );