change convention

BUILD

@@ -1,18 +1,18 @@
 load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library")
 
 go_library(
-    name = "undocker_lib",
+    name = "go_default_library",
     srcs = ["main.go"],
     importpath = "github.com/motiejus/code/undocker",
     visibility = ["//visibility:private"],
     deps = [
         "//src/undocker/rootfs:rootfs_lib",
-        "@com_github_jessevdk_go_flags//:go-flags",
+        "@com_github_jessevdk_go_flags//:go_default_library",
     ],
 )
 
 go_binary(
     name = "undocker",
-    embed = [":undocker_lib"],
+    embed = [":go_default_library"],
     visibility = ["//visibility:public"],
 )