x11/wmutils-opt: reduce patching

Respect PREFIX and CC via MAKE_ARGS, while here move manpages to
share/man

x11/wmutils-opt/Makefile

@@ -1,6 +1,7 @@
 PORTNAME=	wmutils-opt
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.0
+PORTREVISION=	1
 CATEGORIES=	x11
 
 MAINTAINER=	dmgk@FreeBSD.org
@@ -17,6 +18,8 @@ USE_GITHUB=	yes
 GH_ACCOUNT=	wmutils
 GH_PROJECT=	opt
 
+MAKE_ARGS=	PREFIX="${PREFIX}" CC="${CC}"
+
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/*
 

x11/wmutils-opt/files/patch-config.mk

@@ -1,11 +1,6 @@
 --- config.mk.orig	2016-10-04 08:01:36 UTC
 +++ config.mk
-@@ -1,8 +1,8 @@
--PREFIX = /usr
--MANPREFIX = $(PREFIX)/share/man
-+PREFIX ?= /usr/local
-+MANPREFIX = $(PREFIX)/man
- 
+@@ -4,5 +4,5 @@ LD = $(CC)
  CC = cc
  LD = $(CC)
  

x11/wmutils-opt/pkg-plist

@@ -2,7 +2,7 @@ bin/chwb2
 bin/wew
 bin/wname
 bin/xmmv
-man/man1/chwb2.1.gz
-man/man1/wew.1.gz
-man/man1/wname.1.gz
-man/man1/xmmv.1.gz
+share/man/man1/chwb2.1.gz
+share/man/man1/wew.1.gz
+share/man/man1/wname.1.gz
+share/man/man1/xmmv.1.gz