Merge pull request #4758 from dslomov/patch-1

Migrate to supported version of http_archive

WORKSPACE

@@ -1,4 +1,5 @@
 workspace(name = "com_google_protobuf")
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 new_local_repository(
     name = "submodule_gmock",
@@ -6,11 +7,11 @@ new_local_repository(
     build_file = "third_party/googletest/BUILD.bazel"
 )
 
-new_http_archive(
+http_archive(
     name = "six_archive",
     build_file = "six.BUILD",
     sha256 = "105f8d68616f8248e24bf0e9372ef04d3cc10104f1980f54d57b2ce73a5ad56a",
-    url = "https://pypi.python.org/packages/source/s/six/six-1.10.0.tar.gz#md5=34eed507548117b2ab523ab14b2f8b55",
+    urls = ["https://pypi.python.org/packages/source/s/six/six-1.10.0.tar.gz#md5=34eed507548117b2ab523ab14b2f8b55"],
 )
 
 bind(