[glom] Correct some comments

[Murray Cumming <murrayc src gnome org>]

commit 44cde9d5a9bef2e73c332086a5c83f3ecad290c2
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Nov 8 09:34:40 2013 +0100

    Correct some comments

 glom/appwindow.cc |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/glom/appwindow.cc b/glom/appwindow.cc
index a662a12..2dc1400 100644
--- a/glom/appwindow.cc
+++ b/glom/appwindow.cc
@@ -2925,7 +2925,7 @@ void AppWindow::on_menu_edit_copy_activate()
     return;
   }
 
-  //GtkTextView does not implement GtkTextView.
+  //GtkTextView does not implement GtkEditable.
   //See GTK+ bug: https://bugzilla.gnome.org/show_bug.cgi?id=667008
   Gtk::TextView* textview = dynamic_cast<Gtk::TextView*>(widget);
   if(textview)
@@ -2951,7 +2951,7 @@ void AppWindow::on_menu_edit_cut_activate()
     return;
   }
 
-  //GtkTextView does not implement GtkTextView.
+  //GtkTextView does not implement GtkEditable.
   //See GTK+ bug: https://bugzilla.gnome.org/show_bug.cgi?id=667008
   Gtk::TextView* textview = dynamic_cast<Gtk::TextView*>(widget);
   if(textview)
@@ -2977,7 +2977,7 @@ void AppWindow::on_menu_edit_paste_activate()
     return;
   }
 
-  //GtkTextView does not implement GtkTextView.
+  //GtkTextView does not implement GtkEditable.
   //See GTK+ bug: https://bugzilla.gnome.org/show_bug.cgi?id=667008
   Gtk::TextView* textview = dynamic_cast<Gtk::TextView*>(widget);
   if(textview)