squash -Wunused-parameter warnings in new_graph_clicked

diff --git a/cmd/smyrna/gui/callbacks.c b/cmd/smyrna/gui/callbacks.c
index 198f8e2f9592ecca82865ef17b470eff652322ce..6177366948d5afd11f13f1716959f74ddc67deaa 100644 (file)
--- a/cmd/smyrna/gui/callbacks.c
+++ b/cmd/smyrna/gui/callbacks.c
@@ -20,6 +20,9 @@
 
 void new_graph_clicked(GtkWidget * widget, gpointer user_data)
 {
+    (void)widget;
+    (void)user_data;
+
     g_print("new graph button fired\n");
 }