Remove additional quote in log format

[thomaspeitz]

Hey Ho Community,

while writing a logstash grok pattern for nginx ingress controller i realized a bug in the log format in autogenerated nginx.conf

This line is generated in default:

log_format upstreaminfo '$remote_addr - [$proxy_add_x_forwarded_for] - $remote_user [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent" $request_length $request_time [$proxy_upstream_name] $upstream_addr $upstream_response_length $upstream_response_time $upstream_status"';

From my point of view the quote after upstream_status is too much.

Unsure if i am right:
https://github.com/kubernetes/ingress/blob/master/controllers/nginx/pkg/config/config.go#L50

Greetings, Thomas

[aledbf]

Closing. Fixed in #481