$NetBSD: patch-Makefile,v 1.1 2021/03/02 19:46:38 pin Exp $

Install manpages to proper location

--- Makefile.orig	2021-03-02 19:25:29.240659545 +0000
+++ Makefile
@@ -11,7 +11,7 @@ exec_prefix = $(prefix)
 bindir = $(exec_prefix)/bin
 libdir = $(exec_prefix)/lib
 datarootdir = $(prefix)/share
-mandir = $(datarootdir)/man
+mandir = $(prefix)/$(PKGMANDIR)
 man1dir = $(mandir)/man1
 datadir = $(prefix)/share