[evince] ev-sidebar-links: Rename text from Index to Outline. Fixes 732547

[Germán Poo-Caamaño <gpoo src gnome org>]

commit e303f31bef65c67a1cd1b13691807c2c71611c1c
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Sat Oct 17 19:41:58 2015 -0700

    ev-sidebar-links: Rename text from Index to Outline. Fixes 732547
    
    In the specification it is referred as "document outline", which
    in most cases is close to "Table of Contents". In any case, the
    term is more maeaningful than Index.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=732547

 shell/ev-sidebar-links.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/shell/ev-sidebar-links.c b/shell/ev-sidebar-links.c
index e687271..bfc7869 100644
--- a/shell/ev-sidebar-links.c
+++ b/shell/ev-sidebar-links.c
@@ -719,7 +719,7 @@ ev_sidebar_links_support_document (EvSidebarPage  *sidebar_page,
 static const gchar*
 ev_sidebar_links_get_label (EvSidebarPage *sidebar_page)
 {
-    return _("Index");
+    return _("Outline");
 }
 
 static void