Upstream: simplified Accept-Ranges handling.
The u->headers_in.accept_ranges field is not used anywhere and hence removed.
diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index 4bf207b..b480f55 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -259,8 +259,7 @@
offsetof(ngx_http_headers_out_t, expires), 1 },
{ ngx_string("Accept-Ranges"),
- ngx_http_upstream_process_header_line,
- offsetof(ngx_http_upstream_headers_in_t, accept_ranges),
+ ngx_http_upstream_ignore_header_line, 0,
ngx_http_upstream_copy_allow_ranges,
offsetof(ngx_http_headers_out_t, accept_ranges), 1 },
diff --git a/src/http/ngx_http_upstream.h b/src/http/ngx_http_upstream.h
index c402d83..1ccfb8f 100644
--- a/src/http/ngx_http_upstream.h
+++ b/src/http/ngx_http_upstream.h
@@ -280,7 +280,6 @@
ngx_table_elt_t *last_modified;
ngx_table_elt_t *location;
- ngx_table_elt_t *accept_ranges;
ngx_table_elt_t *www_authenticate;
ngx_table_elt_t *transfer_encoding;
ngx_table_elt_t *vary;