rdfind: fix build with gcc>=12

srcpkgs/rdfind/patches/61877de88d782b63b17458a61fcc078391499b29.patch

@@ -0,0 +1,21 @@
+From 61877de88d782b63b17458a61fcc078391499b29 Mon Sep 17 00:00:00 2001
+From: Paul Dreik <rdfind@pauldreik.se>
+Date: Sun, 15 Aug 2021 20:31:31 +0200
+Subject: [PATCH] include <limits> (thanks to tastytea)
+
+---
+ rdfind.cc | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/rdfind.cc b/rdfind.cc
+index fbd6cb8..64dd8f6 100644
+--- a/rdfind.cc
++++ b/rdfind.cc
+@@ -9,6 +9,7 @@
+ // std
+ #include <algorithm>
+ #include <iostream>
++#include <limits>
+ #include <string>
+ #include <vector>
+