Image filter: downgrade strong etags to weak ones as needed.

diff --git a/src/http/modules/ngx_http_image_filter_module.c b/src/http/modules/ngx_http_image_filter_module.c
index c983b973b4646a965384b873a169a1a7d819bec2..bd7a3097015f39df6ad01748acb2eb1c10d7b844 100644 (file)
--- a/src/http/modules/ngx_http_image_filter_module.c
+++ b/src/http/modules/ngx_http_image_filter_module.c
@@ -1012,6 +1012,7 @@ transparent:
     b->last_buf = 1;
 
     ngx_http_image_length(r, b);
+    ngx_http_weak_etag(r);
 
     return b;
 }