always set timer in discard body handler, this fixes the cases when request for static file is redirected by error_page to an SSI page
always set timer in discard body handler, this fixes the cases
when request for static file is redirected by error_page to an SSI page

patch by Maxim Dounin

hy0kl/nginx,hy0kl/nginx,firebase/nginx,firebase/nginx,hy0kl/nginx,firebase/nginx,firebase/nginx