label: Fix gcc warning

diff --git a/gtk/gtklabel.c b/gtk/gtklabel.c
index 0a1b32c8de5821fca731c9aa2e89ad85f7283f1c..56610b4bf6b2d88004fdd3571ae7a2a325dc1c1c 100644 (file)
--- a/gtk/gtklabel.c
+++ b/gtk/gtklabel.c
@@ -6608,7 +6608,7 @@ gtk_label_set_lines (GtkLabel *label,
 gint
 gtk_label_get_lines (GtkLabel *label)
 {
-  g_return_if_fail (GTK_IS_LABEL (label));
+  g_return_val_if_fail (GTK_IS_LABEL (label), -1);
 
   return label->priv->lines;
 }