misc/tzdiff: Sanitize MANPREFIX

Approved by:    portmgr (blanket)

misc/tzdiff/Makefile

@@ -1,5 +1,6 @@
 PORTNAME=	tzdiff
 DISTVERSION=	1.2
+PORTREVISION=	1
 CATEGORIES=	misc
 
 MAINTAINER=	naito.yuichiro@gmail.com
@@ -15,12 +16,12 @@ NO_ARCH=	yes
 NO_BUILD=	yes
 
 PLIST_FILES=	bin/tzdiff \
-		man/man1/tzdiff.1.gz
+		share/man/man1/tzdiff.1.gz
 
 do-install:
 	${INSTALL_SCRIPT} ${WRKSRC}/tzdiff \
 	    ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/tzdiff.1 \
-	    ${STAGEDIR}${MANPREFIX}/man/man1
+	    ${STAGEDIR}${PREFIX}/share/man/man1
 
 .include <bsd.port.mk>