[dia] Don't use deprecated function gtk_label_get().

[Hans Breuer <hans src gnome org>]

commit cea7d20aa7a846787c0980b43882b2dc8824aa35
Author: Adam Buchbinder <adam buchbinder gmail com>
Date:   Mon May 4 12:38:45 2009 -0400

    Don't use deprecated function gtk_label_get().
    
    Replaced gtk_label_get() with gtk_label_get_text():
    http://library.gnome.org/devel/gtk/stable/GtkLabel.html#gtk-label-get
    
    Signed-off-by: Adam Buchbinder <adam buchbinder gmail com>
    Signed-off-by: Hans Breuer <hans breuer org>
---
 app/sheets.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/app/sheets.c b/app/sheets.c
index fe9e26c..99f5ce3 100644
--- a/app/sheets.c
+++ b/app/sheets.c
@@ -113,7 +113,7 @@ menu_item_compare_labels(gconstpointer a, gconstpointer b)
   a_list = gtk_container_get_children(GTK_CONTAINER(GTK_MENU_ITEM(a)));
   g_assert(g_list_length(a_list) == 1);
 
-  gtk_label_get(GTK_LABEL(a_list->data), &label);
+  label = gtk_label_get_text(GTK_LABEL(a_list->data));
   g_list_free(a_list);
 
   if (!strcmp(label, (gchar *)b))