fix a bug when ngx_cpymem() returns a cast type:     p = (type *) ngx_cpymem(...)
fix a bug when ngx_cpymem() returns a cast type:
    p = (type *) ngx_cpymem(...)

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