style fix
diff --git a/src/http/modules/ngx_http_not_modified_filter_module.c b/src/http/modules/ngx_http_not_modified_filter_module.c
index ac1227a..5312b3a 100644
--- a/src/http/modules/ngx_http_not_modified_filter_module.c
+++ b/src/http/modules/ngx_http_not_modified_filter_module.c
@@ -47,8 +47,8 @@
 static ngx_http_output_header_filter_pt  ngx_http_next_header_filter;
 
 
-static
-ngx_int_t ngx_http_not_modified_header_filter(ngx_http_request_t *r)
+static ngx_int_t
+ngx_http_not_modified_header_filter(ngx_http_request_t *r)
 {
     time_t                     ims;
     ngx_http_core_loc_conf_t  *clcf;
@@ -92,8 +92,8 @@
 }
 
 
-static
-ngx_int_t ngx_http_not_modified_filter_init(ngx_conf_t *cf)
+static ngx_int_t
+ngx_http_not_modified_filter_init(ngx_conf_t *cf)
 {
     ngx_http_next_header_filter = ngx_http_top_header_filter;
     ngx_http_top_header_filter = ngx_http_not_modified_header_filter;