Fix OFX unclosed tags

fixOfxData.js

function fixOfxData (ofx) {
  const lines = ofxData.split(/[\n\r]/)
  const reUnclosedTag = /(^[^<]*<(.+)>[^>]+$)/

  // Fix unclosed tags line by line
  for (var i=0; i<lines.length; i++) {
    if (reUnclosedTag.test(lines[i].trim())) {
      lines[i] = lines[i].replace(reUnclosedTag, '$1</$2>')
    }
  }

  return lines.join('\n')
}