Original commit message from CVS:

* gst/gsttrace.c: (gst_trace_flush), (gst_trace_text_flush):
* gst/gstutils.c: (gst_util_set_value_from_string),
(gst_util_set_object_arg):
fix a bunch of unchecked return values
* tools/gst-complete.c: (main):
* gstreamer.spec.in:
clean up a little