Ports: Update nethack's patches to use git patches

Ports/nethack/patches/0004-Set-the-install-path-correctly.patch

@@ -0,0 +1,48 @@
+From c8dc69d845ea82c85222882e62af76a11d71695f Mon Sep 17 00:00:00 2001
+From: Gunnar Beutner <gbeutner@serenityos.org>
+Date: Thu, 15 Apr 2021 15:43:18 +0200
+Subject: [PATCH 4/5] Set the install path correctly
+
+---
+ sys/unix/Makefile.top | 4 ++--
+ sys/unix/nethack.sh   | 6 +++---
+ 2 files changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/sys/unix/Makefile.top b/sys/unix/Makefile.top
+index f0ee25d..1dc6e9c 100644
+--- a/sys/unix/Makefile.top
++++ b/sys/unix/Makefile.top
+@@ -223,9 +223,9 @@ dofiles:
+ 		chmod $(EXEPERM) $(SHELLDIR)/$(GAME); fi
+ 
+ dofiles-dlb: check-dlb
+-	( cd dat ; cp nhdat $(DATNODLB) $(INSTDIR) )
++	( cd dat ; cp nhdat $(DATNODLB) $(VARDIR) )
+ # set up their permissions
+-	-( cd $(INSTDIR) ; $(CHOWN) $(GAMEUID) nhdat $(DATNODLB) ; \
++	-( cd $(VARDIR) ; $(CHOWN) $(GAMEUID) nhdat $(DATNODLB) ; \
+ 			$(CHGRP) $(GAMEGRP) nhdat $(DATNODLB) ; \
+ 			chmod $(FILEPERM) nhdat $(DATNODLB) )
+ 
+diff --git a/sys/unix/nethack.sh b/sys/unix/nethack.sh
+index 2c2b62c..70857b6 100755
+--- a/sys/unix/nethack.sh
++++ b/sys/unix/nethack.sh
+@@ -1,11 +1,11 @@
+-#!/bin/sh
++#!/bin/bash
+ # NetHack 3.6  nethack.sh	$NHDT-Date: 1552425075 2019/03/12 21:11:15 $  $NHDT-Branch: NetHack-3.6.2-beta01 $:$NHDT-Revision: 1.20 $
+ # Copyright (c) 2015 by Kenneth Lorber, Kensington, Maryland
+ # NetHack may be freely redistributed.  See license for details.
+ 
+-HACKDIR=/usr/games/lib/nethackdir
++HACKDIR=/var/games/nethack/
+ export HACKDIR
+-HACK=$HACKDIR/nethack
++HACK=/usr/local/lib/nethack/nethack
+ 
+ # Since Nethack.ad is installed in HACKDIR, add it to XUSERFILESEARCHPATH
+ case "x$XUSERFILESEARCHPATH" in
+-- 
+2.36.1
+