devel/samurai: Fix if LOCALBASE is not /usr/local

PR:		270590
Reported by:	eric@camachat.org

devel/samurai/Makefile

 PORTNAME=	samurai
 DISTVERSION=	1.2-16
+PORTREVISION=	1
 DISTVERSIONSUFFIX=	-gca5a6ba
 CATEGORIES=	devel
 #MASTER_SITES=	https://github.com/michaelforney/samurai/releases/download/${DISTVERSION}/

devel/samurai/files/patch-Makefile

---- Makefile.orig	2020-12-17 01:31:33 UTC
+--- Makefile.orig	2021-04-10 18:44:40 UTC
 +++ Makefile
-@@ -3,7 +3,7 @@
- PREFIX=/usr/local
+@@ -1,10 +1,10 @@
+ .POSIX:
+ .PHONY: all install clean
+ 
+-PREFIX=/usr/local
++PREFIX=${LOCALBASE}
  BINDIR=$(PREFIX)/bin
  MANDIR=$(PREFIX)/share/man
 -ALL_CFLAGS=$(CFLAGS) -std=c99 -Wall -Wextra -Wpedantic -Wno-unused-parameter