Set the install-path via configure instead of patching Makefile.in

The change gets rid of the sole patch -- and thus the entire files/ -- by using
a Makefile-knob.

The resulting build is exactly the same -- no need to bump PORTREVISION.

PR:		244107
Submitted by:	mi

archivers/rzip/Makefile

@@ -13,6 +13,7 @@ COMMENT=	Compression program similar to gzip or bzip2
 LICENSE=	GPLv2
 
 GNU_CONFIGURE=	yes
+GNU_CONFIGURE_PREFIX=${STAGEDIR}${PREFIX}
 
 PLIST_FILES=	bin/rzip man/man1/rzip.1.gz
 

archivers/rzip/files/patch-Makefile.in

@@ -1,13 +0,0 @@
---- Makefile.in.orig	2006-02-14 00:38:23 UTC
-+++ Makefile.in
-@@ -3,8 +3,8 @@
- 
- prefix=@prefix@
- exec_prefix=@exec_prefix@
--INSTALL_BIN=$(exec_prefix)/bin
--INSTALL_MAN=$(prefix)/man
-+INSTALL_BIN=$(DESTDIR)$(exec_prefix)/bin
-+INSTALL_MAN=$(DESTDIR)$(prefix)/man
- 
- LIBS=@LIBS@
- CC=@CC@