adding new icon to apache2 apparmor profile

Author: zenmonkeykstop

install_files/ansible-base/roles/build-securedrop-app-code-deb-pkg/files/usr.sbin.apache2

@@ -264,6 +264,7 @@
   /var/www/securedrop/static/i/bang-stop.png r,
   /var/www/securedrop/static/i/bang-circle.png r,
   /var/www/securedrop/static/i/favicon.png r,
+  /var/www/securedrop/static/i/modal-x-white.png r,
   /var/www/securedrop/static/i/font-awesome/black/guard.svg r,
   /var/www/securedrop/static/i/font-awesome/black/times.svg r,
   /var/www/securedrop/static/i/font-awesome/cancel-blue.png r,