[glade] GtkButton: fix typo

[Ben Iofel <beniofel src gnome org>]

commit 4485e56994b08f2a286b21420784b48373fe99d8
Author: Ben Iofel <iofelben gmail com>
Date:   Tue Nov 3 21:38:19 2015 -0500

    GtkButton: fix typo

 plugins/gtk+/glade-gtk-button.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/gtk+/glade-gtk-button.c b/plugins/gtk+/glade-gtk-button.c
index 5a3ae39..b980d6f 100644
--- a/plugins/gtk+/glade-gtk-button.c
+++ b/plugins/gtk+/glade-gtk-button.c
@@ -240,7 +240,7 @@ glade_gtk_button_set_property (GladeWidgetAdaptor * adaptor,
   /* GtkLockButton hides itself after setting a property so we need to make sure
    * we keep it visible.
    */
-  if (GTK_IS_LOCK_BUTTON (object) && glade_gtk_lock_button_is_own_property (property));
+  if (GTK_IS_LOCK_BUTTON (object) && glade_gtk_lock_button_is_own_property (property))
     gtk_widget_set_visible (GTK_WIDGET (object), TRUE);
 }