Original commit message from CVS:
* ext/sdl/sdlvideosink.c: (gst_sdlvideosink_finalize),
(gst_sdlvideosink_get_times), (gst_sdlvideosink_class_init),
(gst_sdlvideosink_init), (gst_sdlvideosink_lock),
(gst_sdlvideosink_initsdl), (gst_sdlvideosink_create),
(gst_sdlvideosink_show_frame), (gst_sdlvideosink_set_property),
(gst_sdlvideosink_get_property), (gst_sdlvideosink_change_state):
Fix SDL videosink and did some cleanups.