Buildifier formatting fixes.

bazel/upb_proto_library.bzl

@@ -18,6 +18,7 @@ def _get_real_short_path(file):
     if short_path.startswith("../"):
         second_slash = short_path.index("/", 3)
         short_path = short_path[second_slash + 1:]
+
     # Sometimes it has another few prefixes like:
     #   _virtual_imports/any_proto/google/protobuf/any.proto
     # We want just google/protobuf/any.proto.

bazel/workspace_deps.bzl

@@ -9,7 +9,7 @@ def upb_deps():
         name = "com_google_absl",
         commit = "df3ea785d8c30a9503321a3d35ee7d35808f190d",  # LTS 2020-02-25
         remote = "https://github.com/abseil/abseil-cpp.git",
-        shallow_since = "1583355457 -0500"
+        shallow_since = "1583355457 -0500",
     )
 
     maybe(