Ports: Update emu2's patches to use git patches

Ports/emu2/patches/0002-Replace-a-use-of-rindex-with-strrchr.patch

@@ -0,0 +1,34 @@
+From 35566f37112c812ab3695e4843ff653792b1d532 Mon Sep 17 00:00:00 2001
+From: Brendan Coles <bcoles@gmail.com>
+Date: Thu, 23 Dec 2021 10:26:29 +0100
+Subject: [PATCH 2/4] Replace a use of rindex() with strrchr()
+
+Co-Authored-By: Daniel Bertalan <dani@danielbertalan.dev>
+---
+ src/dosnames.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/dosnames.c b/src/dosnames.c
+index b6122a9..582a0e2 100644
+--- a/src/dosnames.c
++++ b/src/dosnames.c
+@@ -9,6 +9,7 @@
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
++#include <strings.h>
+ #include <sys/stat.h>
+ 
+ // DOS directory entries.
+@@ -589,7 +590,7 @@ char *dos_unix_path_fcb(int addr, int force)
+ static struct dos_file_list *find_first_file(char *fspec)
+ {
+     // Now, separate the path to the spec
+-    char *glob, *unixpath, *p = rindex(fspec, '/');
++    char *glob, *unixpath, *p = strrchr(fspec, '/');
+     if(!p)
+     {
+         glob = fspec;
+-- 
+2.36.1
+