Autoindex: discard request body (ticket #1439).

src/http/modules/ngx_http_autoindex_module.c

diff --git a/src/http/modules/ngx_http_autoindex_module.c b/src/http/modules/ngx_http_autoindex_module.c
index b3bf652..94b91db 100644
--- a/src/http/modules/ngx_http_autoindex_module.c
+++ b/src/http/modules/ngx_http_autoindex_module.c
@@ -180,6 +180,12 @@
         return NGX_DECLINED;
     }
 
+    rc = ngx_http_discard_request_body(r);
+
+    if (rc != NGX_OK) {
+        return rc;
+    }
+
     /* NGX_DIR_MASK_LEN is lesser than NGX_HTTP_AUTOINDEX_PREALLOCATE */
 
     last = ngx_http_map_uri_to_path(r, &path, &root,