ext/lame/gstlame.*: add preset property to lame so it can use lame presets

ext/lame/gstlame.*: add preset property to lame so it can use lame presets

Original commit message from CVS:
2004-08-13  Zaheer Abbas Merali  <zaheerabbas at merali dot org>

* ext/lame/gstlame.c: (gst_lame_mode_get_type),
(gst_lame_quality_get_type), (gst_lame_padding_get_type),
(gst_lame_preset_get_type), (gst_lame_class_init), (gst_lame_init),
(gst_lame_set_property), (gst_lame_get_property), (gst_lame_setup):
* ext/lame/gstlame.h:
add preset property to lame so it can use lame presets