[gedit] Disconnect signal when switching between pages.

[Ignacio Casal Quinteiro <icq src gnome org>]

commit dbac82b60bfb9a24d87ff3c131d3b774b139ed50
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Sat May 22 17:03:38 2010 +0200

    Disconnect signal when switching between pages.

 gedit/gedit-window.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/gedit/gedit-window.c b/gedit/gedit-window.c
index 0e65e64..96d9e6d 100644
--- a/gedit/gedit-window.c
+++ b/gedit/gedit-window.c
@@ -2560,6 +2560,14 @@ notebook_switch_page (GtkNotebook     *book,
 		
 			window->priv->spaces_instead_of_tabs_id = 0;
 		}
+
+		if (window->priv->language_changed_id)
+		{
+			g_signal_handler_disconnect (gedit_tab_get_document (window->priv->active_tab),
+						     window->priv->language_changed_id);
+
+			window->priv->language_changed_id = 0;
+		}
 	}
 	
 	/* set the active tab */