Preserve compatibility with old versions of rules_go (#3)

* Fix references to go_sdk rules

* Preserve backwards compat with old version of rules_go

repositories/go_repositories.bzl

@@ -33,7 +33,7 @@ def go_deps():
     excludes = native.existing_rules().keys()
     # go_register_toolchains can only be called once with the default SDK
     # so we check that we only call it if it hasn't been before
-    sdk_kinds = ("go_download_sdk_rule", "go_host_sdk_rule", "_go_local_sdk", "_go_wrap_sdk")
+    sdk_kinds = ("_go_download_sdk", "_go_host_sdk", "go_download_sdk_rule", "go_host_sdk_rule", "_go_local_sdk", "_go_wrap_sdk")
     existing_rules = native.existing_rules()
     sdk_rules = [r for r in existing_rules.values() if r["kind"] in sdk_kinds]
     if len(sdk_rules) == 0: