test_nta.c: removed BEGIN()/END() from leg callbacks. re-enabled test_tports().
test_nta.c: removed BEGIN()/END() from leg callbacks. re-enabled test_tports().

darcs-hash:20061121150213-65a35-6a5e8c3814f7a6f0b032cd1c6cc32c6ec42676ac.gz

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