[evince] djvu: Fix -Wshadow warning

[Christian Persch <chpe src gnome org>]

commit 9b5d1ee00fefef916e7416b190db0121b58dd9ed
Author: Christian Persch <chpe gnome org>
Date:   Fri Jul 26 21:43:17 2013 +0200

    djvu: Fix -Wshadow warning

 backend/djvu/djvu-document.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/backend/djvu/djvu-document.c b/backend/djvu/djvu-document.c
index 22b3464..88977b2 100644
--- a/backend/djvu/djvu-document.c
+++ b/backend/djvu/djvu-document.c
@@ -518,7 +518,7 @@ djvu_document_class_init (DjvuDocumentClass *klass)
 
 static gchar *
 djvu_text_copy (DjvuDocument *djvu_document,
-               gint           page,
+               gint           page_num,
                EvRectangle  *rectangle)
 {
        miniexp_t page_text;
@@ -526,7 +526,7 @@ djvu_text_copy (DjvuDocument *djvu_document,
 
        while ((page_text =
                ddjvu_document_get_pagetext (djvu_document->d_document,
-                                            page, "char")) == miniexp_dummy)
+                                            page_num, "char")) == miniexp_dummy)
                djvu_handle_events (djvu_document, TRUE, NULL);
 
        if (page_text != miniexp_nil) {