Don't log to stderr/stdout: gzip enabling code

[oschaaf]

From the list:

Same here:
>service nginx restart

nginx:
....
2014/10/16 22:04:02 [info] 2562#0: pagespeed: rollback gzip, explicit configuration in /etc/nginx/nginx.conf:70

nginx: the configuration file /etc/nginx/nginx.conf syntax is ok