fix nginx reload flags '-c'

[ckeyer]

add nginx reload flags -c ,
then , will allow yourself to compile the nginx version

go fmt this file

[k8s-reviewable]

This change is 

[coveralls]

Coverage remained the same at 46.983% when pulling dc9664ca503b92339b87097826bb799bcb2e2bcb on ckeyer:fix_nginx_reload into c1cf8ff on kubernetes:master.

[ckeyer]

@aledbf PTAL

[coveralls]

Coverage increased (+0.03%) to 46.939% when pulling 9f32b74 on ckeyer:fix_nginx_reload into 8ca5fbe on kubernetes:master.

[aledbf]

/lgtm

[aledbf]

@ckeyer thanks!