su/su_strdup.c: fixed whitespace
su/su_strdup.c: fixed whitespace

darcs-hash:20081127130710-db55f-ae5af7b73133e64cd96e1a475e181bc816841db7.gz

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