fix appendSig function (used for resigning of pdf)

javascript/src/utilities/pdfUtilities.js

@@ -535,7 +535,7 @@ async function newSig(pdf, root, rootSuccessor, date, signingCert, certificateCh
     return array;
 }
 
-async function appendSig(pdf, root, rootSuccessor, date, cert, password) {
+async function appendSig(pdf, root, rootSuccessor, date, signingCert, certificateChain, privateKey) {
     //copy root and the entry with contents to the end
     var startRoot = pdf.stream.bytes.length + 1;