Fixed test code for pthread_rwlock_trywrlock().
Fixed test code for pthread_rwlock_trywrlock().

darcs-hash:20060107123100-65a35-c6fb9ed9de847034dfa1b53cb0047958a8db225f.gz

BelledonneCommunications/sofia-sip,jart/sofia-sip,erdincay/sofia-sip,xhook/sofia-sip,xhook/sofia-sip,BelledonneCommunications/sofia-sip,erdincay/sofia-sip,xhook/sofia-sip,BelledonneCommunications/sofia-sip,unispeech/sofia-sip,xhook/sofia-sip,jart/sofia-sip,unispeech/sofia-sip,unispeech/sofia-sip,unispeech/sofia-sip,erdincay/sofia-sip,xhook/sofia-sip,BelledonneCommunications/sofia-sip,erdincay/sofia-sip,jart/sofia-sip