pytz: Update to 2018.9

Signed-off-by: Rosen Penev <rosenp@gmail.com>

lang/python/pytz/Makefile

@@ -8,13 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=pytz
-PKG_VERSION:=2018.7
-PKG_RELEASE:=2
+PKG_VERSION:=2018.9
+PKG_RELEASE:=1
 PKG_LICENSE:=MIT
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://files.pythonhosted.org/packages/source/p/pytz
-PKG_HASH:=31cb35c89bd7d333cd32c5f278fca91b523b0834369e757f4c5641ea252236ca
+PKG_HASH:=d5f05e487007e29e03409f9398d074e158d920d36eb82eaf66fb1136b0c5374c
 
 PKG_BUILD_DEPENDS:=python/host
 HOST_BUILD_DEPENDS:=python/host