Fix travis: nginx configure
Fix travis: nginx configure

fengshao0907/ngx_http_subrange_module,Qihoo360/ngx_http_subrange_module,Qihoo360/ngx_http_subrange_module,fengshao0907/ngx_http_subrange_module,fengshao0907/ngx_http_subrange_module,Qihoo360/ngx_http_subrange_module