message: fix comments to update include dir and library for windows only.
diff: @@ -5,7 +5,6 @@ from __future__ import unicode_literals
  from distutils.spawn import find_executable
  from distutils import sysconfig
  -import pkg_resources
  import setuptools
  import setuptools.command.build_py
  import setuptools.command.develop
  @@ -94,8 +93,9 @@ class Protobuf(Dependency):
  super(Protobuf, self).__init__()
  # TODO: allow user specify protobuf include_dirs libraries with flags
  # and environment variables
  - if os.getenv('CONDA_PREFIX'):
  + if os.getenv('CONDA_PREFIX') and platform.system() == 'Windows':
  self.libraries = [os.path.join(os.getenv('CONDA_PREFIX'), "Library", "lib", "libprotobuf")]
  + self.include_dirs = [os.path.join(os.getenv('CONDA_PREFIX'), "Library", "Include")]
  else:
  self.libraries = ['protobuf']
  @@ -188,7 +188,6 @@ def create_extension(ExtType, name, sources, dependencies, extra_link_args, extr
  extra_compile_args.append('-stdlib=libc++')
  if os.getenv('CONDA_PREFIX'):
  include_dirs.append(os.path.join(os.getenv('CONDA_PREFIX'), "include"))
  - include_dirs.append(os.path.join(os.getenv('CONDA_PREFIX'), "Library", "Include"))
  if platform.system() == 'Windows':
  extra_compile_args.append('/MT')
  return ExtType(
  