squash -Wunused-parameter warning in realize

diff --git a/cmd/smyrna/gltemplate.c b/cmd/smyrna/gltemplate.c
index feb64c441217762927c637fc1edf75b3618f8049..d3064261d21ab16360a05c26699b6c3be92350a3 100644 (file)
--- a/cmd/smyrna/gltemplate.c
+++ b/cmd/smyrna/gltemplate.c
@@ -129,6 +129,7 @@ static void examine_gl_config_attrib(GdkGLConfig * glconfig)
 */
 static void realize(GtkWidget * widget, gpointer data)
 {
+    (void)data;
 
     GdkGLContext *glcontext = gtk_widget_get_gl_context(widget);
     GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(widget);