digest pkglint-compliant

[Frédéric Fauberteau <triaxx%NetBSD.org@localhost>]

Hi agc@,

Do you agree the following changes to make pkgtools/digest looking fine 
according to pkglint?

Index: Makefile
===================================================================
RCS file: /cvsroot/pkgsrc/pkgtools/digest/Makefile,v
retrieving revision 1.61
diff -u -r1.61 Makefile
--- Makefile	9 Oct 2014 14:06:49 -0000	1.61
+++ Makefile	23 Mar 2018 07:21:32 -0000
@@ -21,14 +21,14 @@
 		${FILESDIR}/configure

 do-extract:
-	@${CP} -R ${FILESDIR} ${WRKSRC}
+	${RUN} ${CP} -R ${FILESDIR} ${WRKSRC}

 pre-install:
-	-@${MKDIR} ${DESTDIR}${PKG_DBDIR}
+	${RUN} ${MKDIR} ${DESTDIR}${PKG_DBDIR} || ${TRUE}

 do-test:
-	@${ECHO} "No news is good news"
-	@cd ${WRKSRC} && ${SETENV} DIGESTDIR=${WRKSRC} ${SH} ./regress.sh
-	@${ECHO} "All tests completed"
+	${RUN} ${ECHO} "No news is good news"
+	${RUN} cd ${WRKSRC} && ${SETENV} DIGESTDIR=${WRKSRC} ${SH} 
./regress.sh
+	${RUN} ${ECHO} "All tests completed"

 .include "../../mk/bsd.pkg.mk"
Index: distinfo
===================================================================
RCS file: distinfo
diff -N distinfo
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ distinfo	23 Mar 2018 07:21:32 -0000
@@ -0,0 +1 @@
+$NetBSD$