GDK plugin writer: squash -Wunused-parameter warning

This function is used as a callback so the `error` parameter cannot be removed.

diff --git a/plugin/gdk/gvdevice_gdk.c b/plugin/gdk/gvdevice_gdk.c
index 0591bbe7a620c36634a8791489193927d5c17a4f..0d04761ccadbbabd218ca03d324696fde9b07f19 100644 (file)
--- a/plugin/gdk/gvdevice_gdk.c
+++ b/plugin/gdk/gvdevice_gdk.c
@@ -56,6 +56,7 @@ argb2rgba ( unsigned int width, unsigned int height, char *data)
 static gboolean
 writer ( const gchar *buf, gsize count, GError **error, gpointer data)
 {
+  (void)error;
   return count == gvwrite(data, buf, count);
 }