5152: Minor clang-tidy fix with -DWEBSOCKETS=ON -DUPNP=ON r=heinrich5991 a=def-

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## Checklist

- [ ] Tested the change ingame
- [ ] Provided screenshots if it is a visual change
- [ ] Tested in combination with possibly related configuration options
- [ ] Written a unit test if it works standalone, system.c especially
- [ ] Considered possible null pointers and out of bounds array indexing
- [ ] Changed no physics that affect existing maps
- [ ] Tested the change with [ASan+UBSan or valgrind's memcheck](https://github.com/ddnet/ddnet/#using-addresssanitizer--undefinedbehavioursanitizer-or-valgrinds-memcheck) (optional)


Co-authored-by: Dennis Felsing <dennis@felsin9.de>
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bors[bot] 2022-05-19 18:10:16 +00:00 committed by GitHub
commit 898259fe6c
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2 changed files with 2 additions and 2 deletions

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@ -1,7 +1,7 @@
#if defined(CONF_WEBSOCKETS)
#include <cstdlib>
#include <map>
#include <stdlib.h>
#include <string>
#include "base/system.h"