fixup! varnish: Provide web-checker's required parameters.

software/varnish/instance-varnish.cfg.in

@@ -27,7 +27,7 @@ web-checker-working-directory = ${directory:web-checker}
 frontend-url = {{ web_checker_dict.get('frontend-url', 'http://%(ip)s:%(port)s/') % {
   'ip': ip,
   'port': tcpv4_port,
-} -%}
+} }}
 mail-address = {{ web_checker_dict['mail-address'] }}
 smtp-host = {{ web_checker_dict['smtp-host'] }}
 wget-binary-path = {{ parameter_dict['wget'] }}/bin/wget

software/varnish/software.cfg

@@ -87,7 +87,7 @@ extra-context =
 [template-varnish]
 recipe = slapos.recipe.build:download
 url = ${:_profile_base_location_}/instance-varnish.cfg.in
-md5sum = febb523b1cb1aff5214d6f07c78644bb
+md5sum = 4334d900f212d170fd0ca35865879bdf
 mode = 640
 
 [eggs]