Original commit message from CVS:
* win32/common/libgsaudio.def:
Add new exported function.
* win32/common/libgstogg.dsp:
Add gstoggaviparse.c to the build.
* win32/common/libgstvideoscale.dsp:
Add vs_4tap.c to the build.
* win32/common/libgstvorbis.dsp:
Add vorbistag.c to the build.