SKALE-3334 fix build

SGXWalletServer.cpp

@@ -605,10 +605,10 @@ Json::Value SGXWalletServer::complaintResponseImpl(const string &_polyName, int
 
         shared_ptr <string> encrPoly = readFromDb(_polyName);
 
-        verificationVectorMult = getVerificationVectorMult(encrPoly->c_str(), _t, _n, _ind);
+        auto verificationVectorMult = getVerificationVectorMult(encrPoly->c_str(), _t, _n, _ind);
 
         for (int i = 0; i < _t; i++) {
-            vector <string> currentCoef = verifVector.at(i);
+            vector <string> currentCoef = verificationVectorMult.at(i);
             for (int j = 0; j < 4; j++) {
                 result["verificationVectorMult"][i][j] = currentCoef.at(j);
             }