gst/: Some GCC4 fixes

gst/: Some GCC4 fixes

Original commit message from CVS:
2005-05-05  Andy Wingo  <wingo@pobox.com>

* gst-libs/gst/tag/gstid3tag.c: (gst_tag_list_new_from_id3v1):
* gst-libs/gst/tag/gstvorbistag.c:
(gst_tag_list_from_vorbiscomment_buffer), (gst_vorbis_tag_chain):
* gst/adder/gstadder.h:
* gst/audioconvert/gstchannelmix.c:
(gst_audio_convert_fill_one_other):
* gst/audiorate/gstaudiorate.c: (gst_audiorate_setcaps),
(gst_audiorate_init), (gst_audiorate_chain):
* gst/playback/gstplaybasebin.c: (setup_source):
* gst/playback/test3.c: (update_scale):
Some GCC4 fixes

* po/af.po:
* po/az.po:
* po/cs.po:
* po/en_GB.po:
* po/hu.po:
* po/it.po:
* po/nb.po:
* po/nl.po:
* po/or.po:
* po/sq.po:
* po/sr.po:
* po/sv.po:
* po/uk.po:
* po/vi.po: Foo