rdfind: fix build for gcc 13

srcpkgs/rdfind/patches/f6c3f698dd680931b5c2f05688319290bdf0d930.patch

@@ -0,0 +1,21 @@
+From f6c3f698dd680931b5c2f05688319290bdf0d930 Mon Sep 17 00:00:00 2001
+From: Paul Dreik <rdfind@pauldreik.se>
+Date: Fri, 16 Jun 2023 08:19:29 +0200
+Subject: [PATCH] add missing include <cstdint>
+
+---
+ Fileinfo.hh | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/Fileinfo.hh b/Fileinfo.hh
+index 3ffb837..23ed54e 100644
+--- a/Fileinfo.hh
++++ b/Fileinfo.hh
+@@ -8,6 +8,7 @@
+ #define Fileinfo_hh
+ 
+ #include <array>
++#include <cstdint>
+ #include <string>
+ 
+ // os specific headers