PR geerlingguy#10: Keep httpchk default.

Author: geerlingguy

defaults/main.yml

@@ -14,7 +14,7 @@ haproxy_frontend_mode: 'http'
 haproxy_backend_name: 'habackend'
 haproxy_backend_mode: 'http'
 haproxy_backend_balance_method: 'roundrobin'
-haproxy_backend_httpchk: ''
+haproxy_backend_httpchk: 'HEAD / HTTP/1.1\r\nHost:localhost'
 
 # List of backend servers.
 haproxy_backend_servers: []