rbh-report --dump-ost: released files don't have data on OSTs
Fix: default MySQL string comparison is case insensitive. Use BINARY keyword to make it case-sensitive.
Request strict prototypes, and fixed all the warnings.

Signed-off-by: Thomas LEIBOVICI - CEA/DAM <thomas.leibovici@cea.fr>
Request gcc to warn against functions without a prototype, which detect functions that should be static. Fixed the resulting warnings.

Signed-off-by: Thomas LEIBOVICI - CEA/DAM <thomas.leibovici@cea.fr>
Fixed typo.

Signed-off-by: Thomas LEIBOVICI - CEA/DAM <thomas.leibovici@cea.fr>
Added nlink to database and rbh-find output
Added fullpath generation function from NAMES tables.
fullpath attr is retrieved using this function.