Attach (recommended) or Link to PDF file here:
[双引号不正常.pdf](https://github.com/mozilla/pdf.js/files/3533108/default.pdf)


Configuration:
- Web browser and its version:  IE11 , chrome 
- Operating system and its version:  win7
- PDF.js version:  master
- Is a browser extension: nothing 
teps to reproduce the problem:
1. viewer.html web  online preview


What is the expected behavior? (add screenshot)
Displayed in normal characters.

What went wrong? (add screenshot)
![20190823143813](https://user-images.githubusercontent.com/6269307/63571860-062e6600-c5b4-11e9-9fff-75d65cf6bade.png)

Not only the two characters I took screenshots, but also a lot of garbled Chinese punctuation. For example, the Chinese 《》 symbol. But these garbled characters only appear in some specific very old pdf files.

Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension):nothing 

}
        glyphProfile.length = glyphDataLength;
        return glyphProfile;
      }
      if (glyf.length - glyphDataLength > 3) {
        
        glyphDataLength = (glyphDataLength + 3) & ~3;
        dest.set(glyf.subarray(0, glyphDataLength), destStart);
        glyphProfile.length = glyphDataLength;
        return glyphProfile;
      }
      
      dest.set(glyf, destStart);
      glyphProfile.length = glyf.length;
      return glyphProfile;
    }
    function sanitizeHead(head, numGlyphs, locaLength) {
      const data = head.data;
      
      
      const version = int32(data[0], data[1], data[2], data[3]);
      if (version >> 16 !== 1) {
        info("Attempting to fix invalid version in head table: " + version);
        data[0] = 0;
        data[1] = 1;
        data[2] = 0;
        data[3] = 0;
      }
      const indexToLocFormat = int16(data[50], data[51]);
      if (indexToLocFormat < 0 || indexToLocFormat > 1) {