[ruby/io-console] Remove trailing whitespace.
https://github.com/ruby/io-console/commit/55f1586463
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@ -971,7 +971,7 @@ console_ioflush(VALUE io)
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#if defined HAVE_TERMIOS_H || defined HAVE_TERMIO_H
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int fd1 = GetReadFD(io);
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int fd2 = GetWriteFD(io);
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if (fd2 != -1 && fd1 != fd2) {
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if (tcflush(fd1, TCIFLUSH)) sys_fail(io);
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if (tcflush(fd2, TCOFLUSH)) sys_fail(io);
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