API Changes.

API Changes.

Original commit message from CVS:
* gst/gststructure.c: (gst_structure_get_fraction),
(gst_structure_parse_value),
(gst_structure_fixate_field_nearest_fraction):
* gst/gststructure.h:
* gst/gstutils.c: (gst_util_uint64_scale_int):
* gst/gstutils.h:
* scripts/update-funcnames:
API Changes.
Rename gst_util_clock_time_scale to gst_util_uint64_scale_int
Make gst_structure_fixate_field_nearest_fraction take a numerator
and denominator argument instead of a GValue
add gst_structure_get_fraction helper function.