Fixed overflow problem with su_timer_run().
Fixed overflow problem with su_timer_run().

After 25 days the su_timer_run() timer started to misbehave,
1 < <31 milliseconds is bit more than 24 days, 20 hours, 31 minutes...

darcs-hash:20060508103048-65a35-d99ad9f80ca4cb8a5f04d7e4f4a5c0096251ca58.gz

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