test_100rel.c: added test for redirect after 100rel response.
test_100rel.c: added test for redirect after 100rel response.

darcs-hash:20080123181816-65a35-90644fd8a6bf32527517a57241d59b116473a9cf.gz

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