squash a -Wunused-parameter warning

diff --git a/plugin/core/gvrender_core_vml.c b/plugin/core/gvrender_core_vml.c
index dd5631abed2bc6fd2a0b819aa33940f0844d0d3c..1d19ae3bd501d625a0f9504ef5df4096aa4ee60b 100644 (file)
--- a/plugin/core/gvrender_core_vml.c
+++ b/plugin/core/gvrender_core_vml.c
@@ -94,6 +94,8 @@ static void vml_print_color(GVJ_t * job, gvcolor_t color)
 
 static void vml_grstroke(GVJ_t * job, int filled)
 {
+    (void)filled;
+
     obj_state_t *obj = job->obj;
 
     gvputs(job, "<v:stroke color=\"");