add broad live deaprt

go/gopath/src/fohow.com/apps/models/live_model/live_broad.go

@@ -115,7 +115,7 @@ func GetLatestCount(recommend, depart int64) int64 {
 	ret := &Ret{}
 	o := orm.NewOrm()
 	sql := `
-		select a.* from
+		select count(a.*) as count from
 		live_broads a left join depart_records_live_broads b on a.id=b.live_broad_id
 		where a.recommend > ? and b.depart_record_id=?  ; 
 		`