Revert "Fehler bei PDF-Umwandlung behoben"

ulrich@undisclosed

2020-05-28 bf412a896b52694891bc4b72dee092e026f6e667

 src/de/uhilger/wbx/web/TNServlet.java

@@ -127,7 +127,7 @@
            .keepAspectRatio(true)
            .outputQuality(0.7)
            .toOutputStream(response.getOutputStream());*/
    if(!tnfile.exists()) {
    if(imgfile.exists() && !tnfile.exists()) {
      Thumbnails.of(imgfile)
              .size(gr, gr)
              .keepAspectRatio(true)