wallet_GetHeader(nsInputFileStream strm) {
wallet_GetHeader(nsInputFileStream& strm) {
wallet_GetHeader(nsInputFileStream strm) {  nsAutoString format;  nsAutoString buffer;  /* format revision number */  if (NS_FAILED(wallet_GetLine(strm, format))) {    return PR_FALSE;  }  if (!format.EqualsWithConversion(HEADER_VERSION)) {    /* something's wrong */    return PR_FALSE;  }  return PR_TRUE;}