message: imgcodecs: fix RBaseStream hang on truncated inputs
diff: @@ -105,7 +105,6 @@ void RBaseStream::readBlock()
  fseek( m_file, m_block_pos, SEEK_SET );
  size_t readed = fread( m_start, 1, m_block_size, m_file );
  m_end = m_start + readed;
  - m_current = m_start;
  if( readed == 0 || m_current >= m_end )
  CV_THROW (RBS_THROW_EOS);
  