fix judgement for inet_aton return value
fix judgement for inet_aton return value

vijayyande/spserver,tangyiyong/spserver,SinnerA/spserver,yangjinda/spserver,burstas/spserver,godsonhand/spserver,ucbzhang/spserver,burstas/spserver,yuanqinguo/spserver,liwangmj/spserver,commshare/spserver,upsoft/spserver,xincun/spserver,upsoft/spserver,lubing521/spserver,lubing521/spserver,vijayyande/spserver,electri/spserver,hyperfact/spserver,byzhang/spserver,rxantos/spserver,yangjinda/spserver,electri/spserver,yuanqinguo/spserver,killbug2004/spserver,commshare/spserver,tangyiyong/spserver,fuimaz/spserver,rxantos/spserver,killbug2004/spserver,liwangmj/spserver,byzhang/spserver,xincun/spserver,tfhq/spserver,burstas/spserver,godsonhand/spserver,hotpro/spserver,hotpro/spserver,hyperfact/spserver,SinnerA/spserver,liwangmj/spserver,xincun/spserver,electri/spserver,byzhang/spserver,hyperfact/spserver,fuimaz/spserver,ucbzhang/spserver,SinnerA/spserver,spsoft/spserver,yuanqinguo/spserver,commshare/spserver,tfhq/spserver,hotpro/spserver,tfhq/spserver,fuimaz/spserver,tangyiyong/spserver,spsoft/spserver,killbug2004/spserver,vijayyande/spserver,upsoft/spserver,godsonhand/spserver,spsoft/spserver,ucbzhang/spserver,rxantos/spserver,lubing521/spserver,yangjinda/spserver