From 79d4eade83e9ab8ab30e84fb2335dc4c6e498d48 Mon Sep 17 00:00:00 2001
From: Sasha Koss <koss@nocorp.me>
Date: Sun, 15 Apr 2018 15:52:58 +0600
Subject: [PATCH] Add missing <limits.h> so PATH_MAX would be available

It fixes an error that happens during building on Alpine Linux:

```
In file included from /tmp/td/tdutils/td/utils/port/path.cpp:7:0:
/tmp/td/tdutils/td/utils/port/path.h: In function 'td::Status td::walk_path(td::CSlice, Func&&)':
/tmp/td/tdutils/td/utils/port/path.h:167:21: error: 'PATH_MAX' was not declared in this scope
   curr_path.reserve(PATH_MAX + 10);
                     ^~~~~~~~
```
---
 tdutils/td/utils/port/path.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tdutils/td/utils/port/path.h b/tdutils/td/utils/port/path.h
index 727ee173..e3df18f4 100644
--- a/tdutils/td/utils/port/path.h
+++ b/tdutils/td/utils/port/path.h
@@ -19,6 +19,7 @@
 #include <utility>
 
 #if TD_PORT_POSIX
+#include <limits.h>
 #include <dirent.h>
 #include <sys/types.h>
 #endif