Update to 17.2.1

Changes:	https://github.com/python-hyper/hyperlink/blob/master/CHANGELOG.md

www/py-hyperlink/Makefile

@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	hyperlink
-PORTVERSION=	17.2.0
+PORTVERSION=	17.2.1
 CATEGORIES=	www python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

www/py-hyperlink/distinfo

-TIMESTAMP = 1497889419
-SHA256 (hyperlink-17.2.0.tar.gz) = b81cf0578e9475bef36ee3c48cafb8f3f68c1b66df12c7c4da5ce125790dab27
-SIZE (hyperlink-17.2.0.tar.gz) = 24641
+TIMESTAMP = 1497958491
+SHA256 (hyperlink-17.2.1.tar.gz) = 2c74b35662416f44823d50e59305f761a933723ae6528cc5b0d711361453f28b
+SIZE (hyperlink-17.2.1.tar.gz) = 24670