Check for existence of image

src/freedombone-utils-webadmin

@@ -662,6 +662,9 @@ function web_admin_create_installed_apps {
                                     recreate_scuttlebot_qrcode=1
                                 fi
                             fi
+                            if [ ! -f "$webadmin_install_dir/app_qrcode_${app_name}.png" ]; then
+                                recreate_scuttlebot_qrcode=1
+                            fi
 
                             if [ $recreate_scuttlebot_qrcode ]; then
                                 if [ ! -f /usr/local/bin/myqr ]; then