cleanup

nav.go

@@ -106,8 +106,7 @@ func readdir(path string) ([]*file, error) {
 			d, err := os.Open(fpath)
 			if err != nil {
 				dirCount = -2
-			}
-
+			} else {
 				names, err := d.Readdirnames(1000)
 				d.Close()
 
@@ -117,6 +116,7 @@ func readdir(path string) ([]*file, error) {
 					dirCount = len(names)
 				}
 			}
+		}
 
 		files = append(files, &file{
 			FileInfo:   lstat,