gst/gstcaps.*: Fix docs and indentation again.

Original commit message from CVS:
* gst/gstcaps.c: (gst_caps_merge_structure):
* gst/gstcaps.h:
Fix docs and indentation again.
* tests/check/gst/gstquery.c: (GST_START_TEST):
Fix leak in tests and add some more tests.
4 files changed