use a buffered channel to avoid races, and run gofmt

src/yggdrasil/admin.go

@@ -738,7 +738,7 @@ func (a *admin) admin_dhtPing(keyString, coordString, targetString string) (dhtR
 			coords = append(coords, uint8(u64))
 		}
 	}
-	resCh := make(chan *dhtRes)
+	resCh := make(chan *dhtRes, 1)
 	info := dhtInfo{
 		key:    key,
 		coords: coords,

yggdrasilctl.go

@@ -303,7 +303,7 @@ func main() {
 				fmt.Println("No nodes found")
 			} else {
 				for _, v := range res["nodes"].([]interface{}) {
-          m := v.(map[string]interface{})
+					m := v.(map[string]interface{})
 					fmt.Println("-", m["key"], m["coords"])
 				}
 			}