fix MSVC compiler warnings

src/App/PropertyLinks.cpp

@@ -3892,7 +3892,8 @@ void PropertyXLinkSubList::setPyObject(PyObject *value)
             s.reserve(s.size()+subs.size());
             s.insert(s.end(),subs.begin(),subs.end());
         }
-    }catch(Base::Exception &e){
+    }
+    catch(Base::Exception&){
         throw Base::TypeError("Invalid type inside sequence. Must be type of (DocumentObject, (subname...))");
     }
     setValues(std::move(values));

src/Gui/Command.cpp

@@ -768,7 +768,8 @@ void Command::_copyVisual(const char *file, int line, const App::DocumentObject
         _doCommand(file,line,Gui,
                 "%s.ViewObject.%s=getattr(%s.getLinkedObject(True).ViewObject,'%s',%s.ViewObject.%s)",
                 objCmd.c_str(),attr_to,getObjectCmd(from).c_str(),attr_from,objCmd.c_str(),attr_to);
-    }catch(Base::Exception &e) {
+    }
+    catch(Base::Exception& /*e*/) {
         // e.ReportException();
     }
 }

src/Gui/CommandDoc.cpp

@@ -1296,9 +1296,10 @@ void StdCmdRefresh::activated(int iMsg)
         App::AutoTransaction trans("Recompute");
         try {
             doCommand(Doc,"App.activeDocument().recompute(None,True,True)");
-        } catch(Base::Exception &e) {
+        }
+        catch (Base::Exception& /*e*/) {
             int ret = QMessageBox::warning(getMainWindow(), QObject::tr("Dependency error"),
-                QObject::tr("The document contains dependency cycles.\n"
+                qApp->translate("Std_Refresh", "The document contains dependency cycles.\n"
                             "Please check the Report View for more details.\n\n"
                             "Do you still want to proceed?"),
                     QMessageBox::Yes, QMessageBox::No);