message: Fix shadow variable errors
diff: @@ -110,17 +110,17 @@ export default class VerificationPanel extends React.PureComponent<IProps, IStat
  if (this.props.layout === 'dialog') {
  // HACK: This is a terrible idea.
  - let qrBlock: JSX.Element;
  - let sasBlock: JSX.Element;
  + let qrBlockDialog: JSX.Element;
  + let sasBlockDialog: JSX.Element;
  if (showQR) {
  - qrBlock =
  + qrBlockDialog =
  <div className='mx_VerificationPanel_QRPhase_startOption'>
  <p>{_t("Scan this unique code")}</p>
  <VerificationQRCode qrCodeData={request.qrCodeData} />
  </div>;
  }
  if (showSAS) {
  - sasBlock =
  + sasBlockDialog =
  <div className='mx_VerificationPanel_QRPhase_startOption'>
  <p>{_t("Compare unique emoji")}</p>
  <span className='mx_VerificationPanel_QRPhase_helpText'>{_t("Compare a unique set of emoji if you don't have a camera on either device")}</span>
  @@ -129,15 +129,15 @@ export default class VerificationPanel extends React.PureComponent<IProps, IStat
  </AccessibleButton>
  </div>;
  }
  - const or = qrBlock && sasBlock ?
  + const or = qrBlockDialog && sasBlockDialog ?
  <div className='mx_VerificationPanel_QRPhase_betweenText'>{_t("or")}</div> : null;
  return (
  <div>
  {_t("Verify this session by completing one of the following:")}
  <div className='mx_VerificationPanel_QRPhase_startOptions'>
  - {qrBlock}
  + {qrBlockDialog}
  {or}
  - {sasBlock}
  + {sasBlockDialog}
  {noCommonMethodError}
  </div>
  </div>
  @@ -425,7 +425,6 @@ export default class VerificationPanel extends React.PureComponent<IProps, IStat
  const {request} = this.props;
  request.on("change", this.onRequestChange);
  if (request.verifier) {
  - const {request} = this.props;
  const {sasEvent, reciprocateQREvent} = request.verifier;
  this.setState({sasEvent, reciprocateQREvent});
  }
  