erp5: Add missing findutils-location parameter for zeo instantiation.

stack/erp5/buildout.cfg

@@ -234,7 +234,7 @@ md5sum = a88881e00d56286e16fcaf36d94c025e
 # XXX: "template.cfg" is hardcoded in instanciation recipe
 filename = template.cfg
 template = ${:_profile_base_location_}/instance.cfg.in
-md5sum = 51afdc28de00edb00352922266f8d563
+md5sum = 7f6cd0025cf78c53b880cca22bb49323
 extra-context =
     key mariadb_link_binary template-mariadb:link-binary
     key zope_link_binary template-zope:link-binary

stack/erp5/instance.cfg.in

@@ -121,6 +121,7 @@ buildout-bin-directory = {{ buildout_bin_directory }}
 instance-logrotate-cfg = {{ template_logrotate_base }}
 6tunnel = {{ sixtunnel_location }}
 dash = {{ dash_location }}
+findutils-location = {{ findutils_location }}
 
 [dynamic-template-zeo]
 < = jinja2-template-base