Bug#903165: On boot squid.service starts but doesn't work

[L . P . H . van Belle]

Hai, 
 
i've tested startup change, that works fine. Thank for the notice Amos. 
 
The upstream patch. 
https://github.com/squid-cache/squid/pull/264/commits/90218ea99bb5c79b9be594777963ca91667f5fa2
  
 
I've also added bind to Wants, if bind is running i preffer to start bind 
before any other service that uses dns. 
Wants=bind9.service
 
 
Best regards, 
 
Louis