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Pavel Punsky
b1d5c467f3
## Summary
`fuzzing/stun.dict` line 147 used C-style `\r\n\r\n` for the HTTP
end-of-headers keyword:
```
kw_http_eoh="\r\n\r\n"
```
libFuzzer's `ParseDictionaryFile` only accepts three escape sequences
inside quoted entries: `\\`, `\"`, and `\xAB` hex. `\r` / `\n` are
unrecognized, so a local fuzz run aborts dictionary load with:
```
ParseDictionaryFile: error in line 147
kw_http_eoh="\r\n\r\n"
```
Replace with the hex form used by the other 111 entries in the file:
```
kw_http_eoh="\x0d\x0a\x0d\x0a"
```