gst/elements/gstbufferstore.c: fix bug where buffer was not assembled correctly

gst/elements/gstbufferstore.c: fix bug where buffer was not assembled correctly

Original commit message from CVS:
2004-01-25  Benjamin Otte  <in7y118@public.uni-hamburg.de>

* gst/elements/gstbufferstore.c: (gst_buffer_store_get_buffer):
fix bug where buffer was not assembled correctly
* gst/elements/gsttee.c: (gst_tee_class_init), (gst_tee_init):
silence by default
* gst/elements/gsttypefind.c: (gst_type_find_element_chain):
only seek if there's no more buffers that could work without seeking