sysutils/s6: Update to 2.7.2.1

While here, pet portlint:
- Fix COMMENT
- Fix order of variables

Changelog:
http://git.skarnet.org/cgi-bin/cgit.cgi/s6/tree/NEWS

PR:		232052
Submitted by:	crest@rlwinm.de (maintainer)
Reported by:	dewayne@heuristicsystems.com.au
Reviewed by:	krion
Approved by:	krion (mentor)
Differential Revision:	https://reviews.freebsd.org/D17568

sysutils/s6/Makefile

@@ -2,12 +2,12 @@
 # $FreeBSD$
 
 PORTNAME=	s6
-PORTVERSION=	2.7.2.0
+PORTVERSION=	2.7.2.1
 CATEGORIES=	sysutils
 MASTER_SITES=	https://www.skarnet.org/software/${PORTNAME}/
 
 MAINTAINER=	crest@rlwinm.de
-COMMENT=	skarnet.org supervision suite.
+COMMENT=	Skarnet.org supervision suite
 
 LICENSE=	ISCL
 LICENSE_FILE=	${WRKSRC}/COPYING
@@ -17,12 +17,13 @@ LIB_DEPENDS=	libskarnet.so:devel/skalibs
 RUN_DEPENDS=	execlineb:lang/execline
 
 USES=		gmake
+USE_LDCONFIG=	yes
 USE_RC_SUBR=	s6
+
 SERVICE_DIR?=	/var/service
 SUB_FILES=	s6-svscan_finish s6-svscan-log_run s6-svscanboot s6-svscan_env_PATH
 SUB_LIST=	SERVICE_DIR="${SERVICE_DIR}"
 
-USE_LDCONFIG=	yes
 HAS_CONFIGURE=	yes
 CONFIGURE_ARGS=	--prefix=${PREFIX} \
 		--with-default-path=${LOCALBASE}/bin:/usr/bin:/bin \

sysutils/s6/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1536082360
-SHA256 (s6-2.7.2.0.tar.gz) = af54fcbae7028a90bd12c7ee71a8f3954a74c6a4de376a427cc664587fb68a09
-SIZE (s6-2.7.2.0.tar.gz) = 206856
+TIMESTAMP = 1539616278
+SHA256 (s6-2.7.2.1.tar.gz) = cbac1c5eba1052038cd1508badbb9e88c28e8910cf37a0ab4ab7122a3227d46f
+SIZE (s6-2.7.2.1.tar.gz) = 207088

sysutils/s6/pkg-plist

@@ -74,7 +74,7 @@ include/s6/s6lock.h
 lib/libs6.so
 lib/libs6.so.2.7
 lib/libs6.so.2.7.2
-lib/libs6.so.2.7.2.0
+lib/libs6.so.2.7.2.1
 lib/s6/libs6.a
 libexec/s6lockd-helper
 %%PORTDOCS%%%%DOCSDIR%%/AUTHORS