sac-su.m4: checking for sys/epoll.h, too.
sac-su.m4: checking for sys/epoll.h, too.

Fix proposed by Nickolay V. Shmyrev.

darcs-hash:20070201203620-65a35-06b53caeb758cb48abd1b49cdfbafe0e7544e6d3.gz

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