fix GCC strncpy warnings - #112
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Recent GCC added checks for this and it triggers `Werror` with
```
In function 'strncpy',
inlined from 'proxy_gethostbyname' at src/core.c:832:2:
/nix/store/hayaj8q9rc7swx4llcjqymmg3zr525lx-glibc-2.32-25-dev/include/bits/string_fortified.h:91:10: error: '__builtin_strncpy' specified bound 8192 equals destination size [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wstringop-truncation-Werror=stringop-truncation8;;]
91 | return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function 'strncpy',
inlined from 'proxy_getaddrinfo' at src/core.c:917:3:
/nix/store/hayaj8q9rc7swx4llcjqymmg3zr525lx-glibc-2.32-25-dev/include/bits/string_fortified.h:91:10: error: '__builtin_strncpy' specified bound 256 equals destination size [8;;https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wstringop-truncation-Werror=stringop-truncation8;;]
91 | return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
```
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Related to NixOS/nixpkgs#112929 |
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Recent GCC added checks for this and it triggers
Werrorwith