[src] travis error
[src] travis error

 error: variable ‘headers_in’ set
but not used [-Werror=unused-but-set-variable]

rryqszq4/ngx_php,rryqszq4/ngx_php,stuartjing/ngx_php,rryqszq4/ngx_php,stuartjing/ngx_php,rryqszq4/ngxphp,stuartjing/ngx_php,rryqszq4/ngx_php,stuartjing/ngx_php,rryqszq4/ngx_php,rryqszq4/ngx_php