Log Message:
Update libsndfile to 1.0.3.

There have been several changes since 1.0.1, but the most important ones
are (according to the homepage):
- Version 1.0.2 (Nov 24 2002) Added VOX ADPCM format.
- Version 1.0.3 (Dec 09 2002) Fixes for Linux on ia64 CPUs.