fixing sub path_mode

src/go-proxy/main.go

@@ -4,6 +4,7 @@ import (
 	"flag"
 	"net/http"
 	"runtime"
+	"time"
 
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/api/types/filters"
@@ -51,6 +52,12 @@ func main() {
 		}
 	}()
 
+	go func() {
+		for range time.Tick(100 * time.Millisecond) {
+			glog.Flush()
+		}
+	}()
+
 	mux := http.NewServeMux()
 	mux.HandleFunc("/", httpProxyHandler)