python-mako: fix wrong python makefile

package/python-mako/Makefile

@@ -21,7 +21,7 @@ include $(ADK_TOPDIR)/mk/package.mk
 
 $(eval $(call HOST_template,PYTHON_MAKO,python-mako,${PKG_VERSION}-${PKG_RELEASE}))
 
-include $(ADK_TOPDIR)/mk/python.mk
+include $(ADK_TOPDIR)/mk/python3.mk
 
 HOST_STYLE:=		manual