call ngx_http_xslt_filter_exit()
diff --git a/src/http/modules/ngx_http_xslt_filter_module.c b/src/http/modules/ngx_http_xslt_filter_module.c
index 5ab59d4..e4fc5cd 100644
--- a/src/http/modules/ngx_http_xslt_filter_module.c
+++ b/src/http/modules/ngx_http_xslt_filter_module.c
@@ -136,6 +136,7 @@
 static char *ngx_http_xslt_filter_merge_conf(ngx_conf_t *cf, void *parent,
     void *child);
 static ngx_int_t ngx_http_xslt_filter_init(ngx_conf_t *cf);
+static void ngx_http_xslt_filter_exit(ngx_cycle_t *cycle);
 
 
 ngx_str_t  ngx_http_xslt_default_types[] = {
@@ -196,8 +197,8 @@
     NULL,                                  /* init process */
     NULL,                                  /* init thread */
     NULL,                                  /* exit thread */
-    NULL,                                  /* exit process */
-    NULL,                                  /* exit master */
+    ngx_http_xslt_filter_exit,            /* exit process */
+    ngx_http_xslt_filter_exit,             /* exit master */
     NGX_MODULE_V1_PADDING
 };