bugfix for repair

db must use defer to close

cmd/ledis-repair/main.go

@@ -9,7 +9,7 @@ import (
 	"path"
 )
 
-var fileName = flag.String("config", "/etc/ledis.config", "ledisdb config file")
+var fileName = flag.String("config", "/etc/ledis.json", "ledisdb config file")
 
 func main() {
 	flag.Parse()

leveldb/db.go

@@ -88,8 +88,7 @@ func Repair(cfg *Config) error {
 	db.cfg = cfg
 
 	err := db.open()
-
-	db.Close()
+	defer db.Close()
 
 	//open ok, do not need repair
 	if err == nil {