[gtk] inspector: Don't apply button api to menu buttons

[Matthias Clasen <matthiasc src gnome org>]

commit 53277990468e037c3730d9874f1b5adcb2be1b1e
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon May 20 23:33:07 2019 +0000

    inspector: Don't apply button api to menu buttons

 gtk/inspector/prop-editor.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/inspector/prop-editor.c b/gtk/inspector/prop-editor.c
index aad381b42e..1c0573fc42 100644
--- a/gtk/inspector/prop-editor.c
+++ b/gtk/inspector/prop-editor.c
@@ -569,7 +569,7 @@ flags_changed (GObject *object, GParamSpec *pspec, gpointer data)
   g_value_unset (&val);
 
   str = flags_to_string (fclass, flags);
-  gtk_button_set_label (GTK_BUTTON (data), str);
+  gtk_menu_button_set_label (GTK_MENU_BUTTON (data), str);
   g_free (str);
 
   popover = gtk_menu_button_get_popover (GTK_MENU_BUTTON (data));