Original commit message from CVS:
* ext/alsa/gstalsa.c: (gst_alsa_get_time), (gst_alsa_clock_update),
(gst_alsa_change_state), (gst_alsa_update_avail),
(gst_alsa_xrun_recovery):
* ext/alsa/gstalsa.h:
* ext/alsa/gstalsasrc.c: (gst_alsa_src_loop):
Cleanups, take queued samples into account when reporting
the time.