Added test for <sys/select.h>.
Added test for <sys/select.h>.

Removed HAVE_SU_WAIT_H - nobody is using it anymore.

darcs-hash:20060328115525-88462-70060058812f29a47c7360687ad54f6b9fe22636.gz

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