Just out of interest whats this?

[Robert Laverick]

FIXME:pthread_rwlock_rdlock
FIXME:pthread_rwlock_unlock
what's this, what's causing it and what needs fixing (I'll give it a 
look if it's needed) or is it just an old error that dosn't really need 
fixing (I can run almost everything I want to and the all show this 
error) just intersted
Rob