[PR PATCH] tor: fix Failing because we run out of file handles

[steinex <steinex@users.noreply.github.com>]

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There is a new pull request by steinex against master on the void-packages repository

https://github.com/steinex/void-packages tor
https://github.com/void-linux/void-packages/pull/30687

tor: fix Failing because we run out of file handles
```
May  5 00:31:43 Tor[857]: Failing because we have 4063 connections already. Please read doc/TUNING for guidance.
```

Still does not build on musl but works for me, pinging @daniel-eys 


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A patch file from https://github.com/void-linux/void-packages/pull/30687.patch is attached

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From 62a99e68c447e56e0c7adc2f1168b13e33a0f43e Mon Sep 17 00:00:00 2001
From: Frank Steinborn <steinex@nognu.de>
Date: Wed, 5 May 2021 01:57:02 +0200
Subject: [PATCH] tor: fix Failing because we have 4063 connections already.
 Please read doc/TUNING for guidance.

---
 srcpkgs/tor/files/tor/run | 1 +
 srcpkgs/tor/template      | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/srcpkgs/tor/files/tor/run b/srcpkgs/tor/files/tor/run
index 66d61c6c1b59..d0d402d25f5a 100755
--- a/srcpkgs/tor/files/tor/run
+++ b/srcpkgs/tor/files/tor/run
@@ -1,3 +1,4 @@
 #!/bin/sh
 [ -r conf ] && . ./conf
+ulimit -n ${MAX_OPEN_FILES:-8192}
 exec tor ${OPTS:=--quiet} --runasdaemon 0 2>&1
diff --git a/srcpkgs/tor/template b/srcpkgs/tor/template
index 564a36ec87ef..cef10708f390 100644
--- a/srcpkgs/tor/template
+++ b/srcpkgs/tor/template
@@ -1,7 +1,7 @@
 # Template file for 'tor'
 pkgname=tor
 version=0.4.5.6
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--enable-zstd"
 hostmakedepends="pkg-config"