remove unused var
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@ -617,9 +617,7 @@ pid_t Pidfile::read_pid()
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return (pid_t)-1;
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char buf[16];
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int error;
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int i = read(fd, buf, sizeof(buf) - 1);
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error = errno;
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::close(fd);
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if (i <= 0)
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return (pid_t)-1;
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