squash 3 -Wunused-parameter warnings

diff --git a/plugin/core/gvrender_core_tk.c b/plugin/core/gvrender_core_tk.c
index 4f676a4c12045017710fb2b856725ffd22733e7e..4452b7da1928f9dc1941a2ecb72b0ae41b70ba5c 100644 (file)
--- a/plugin/core/gvrender_core_tk.c
+++ b/plugin/core/gvrender_core_tk.c
@@ -253,6 +253,10 @@ static void
 tkgen_bezier(GVJ_t * job, pointf * A, int n, int arrow_at_start,
              int arrow_at_end, int filled)
 {
+    (void)arrow_at_start;
+    (void)arrow_at_end;
+    (void)filled;
+
     obj_state_t *obj = job->obj;
 
     if (obj->pen != PEN_NONE) {