fix segfault if empty stub block is used second time

diff --git a/src/http/modules/ngx_http_ssi_filter_module.c b/src/http/modules/ngx_http_ssi_filter_module.c
index 5e17cb59f669410c6b2190ba02d467c458a24aef..1d7730d56920a5d1286c6b8b1cca773d07f3a97c 100644 (file)
--- a/src/http/modules/ngx_http_ssi_filter_module.c
+++ b/src/http/modules/ngx_http_ssi_filter_module.c
@@ -1983,6 +1983,7 @@ ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
 
         if (bl[i].count++) {
 
+            out = NULL;
             ll = &out;
 
             for (tl = bl[i].bufs; tl; tl = tl->next) {