Merge pull request #2014 from sairon/python-add-missing-expat-host-dependency

python: add missing host build dependency on expat/host

lang/python/Makefile

@@ -29,7 +29,7 @@ PKG_BUILD_DIR:=$(BUILD_DIR)/Python-$(PKG_VERSION)
 HOST_BUILD_DIR:=$(BUILD_DIR_HOST)/Python-$(PKG_VERSION)
 
 PKG_BUILD_DEPENDS:=python/host
-HOST_BUILD_DEPENDS:=bzip2/host
+HOST_BUILD_DEPENDS:=bzip2/host expat/host
 
 include $(INCLUDE_DIR)/host-build.mk
 include $(INCLUDE_DIR)/package.mk