package/python-enum34: change setup type to setuptools

With version 1.1.3 the project switched to setuptools:
https://bitbucket.org/stoneleaf/enum34/commits/589b4f9d2e733a32c6e67a1e7aa50f476920d121

Fixes
http://autobuild.buildroot.net/results/cb6/cb678ca9e57382a876f3f6034a47a4e2c59bc8d0/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/python-enum34/python-enum34.mk

@@ -7,7 +7,7 @@
 PYTHON_ENUM34_VERSION = 1.1.6
 PYTHON_ENUM34_SOURCE = enum34-$(PYTHON_ENUM34_VERSION).tar.gz
 PYTHON_ENUM34_SITE = https://pypi.python.org/packages/bf/3e/31d502c25302814a7c2f1d3959d2a3b3f78e509002ba91aea64993936876
-PYTHON_ENUM34_SETUP_TYPE = distutils
+PYTHON_ENUM34_SETUP_TYPE = setuptools
 PYTHON_ENUM34_LICENSE = BSD-3-Clause
 PYTHON_ENUM34_LICENSE_FILES = enum/LICENSE