PVS-Studio warning V501 for StrongDC++

static voidgetContentLengthAndHeaderLength(....)
{
  ...
  while(line[linelen] != '\r' && line[linelen] != '\r')
  ...
}

This suspicious code was found in StrongDC++ project by PVS-Studio static code analyzer.
Warning message is:
V501 There are identical sub-expressions 'line [linelen] != '\r'' to the left and to the right of the '&&' operator. miniupnpc miniupnpc.c 153

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