Fix OpenBSD build error (#3295)
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@ -206,7 +206,11 @@ void buffered_file::close() {
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}
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int buffered_file::descriptor() const {
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#ifdef fileno // fileno is a macro on OpenBSD so we cannot use FMT_POSIX_CALL.
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int fd = fileno(file_);
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#else
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int fd = FMT_POSIX_CALL(fileno(file_));
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#endif
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if (fd == -1)
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FMT_THROW(system_error(errno, FMT_STRING("cannot get file descriptor")));
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return fd;
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