python-setuptools: upgrade to version 18.3.1

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>

lang/python-setuptools/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=python-setuptools
-PKG_VERSION:=18.2
+PKG_VERSION:=18.3.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=setuptools-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://pypi.python.org/packages/source/s/setuptools/
-PKG_MD5SUM:=52b4e48939ef311d7204f8fe940764f4
+PKG_MD5SUM:=748187b93152fa60287dfb896837fd7c
 
 PKG_BUILD_DIR:=$(BUILD_DIR)/setuptools-$(PKG_VERSION)