[blam] Use stock GNOME book icon names

[Carlos Martín Nieto <cmartin src gnome org>]

commit 941a1596ffb9a36eb3dec2af8a3c522d8f722af0
Author: Carlos Martín Nieto <carlos cmartin tk>
Date:   Thu Jun 3 12:06:35 2010 +0200

    Use stock GNOME book icon names

 src/ItemList.cs |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/ItemList.cs b/src/ItemList.cs
index 4bc78ba..f640f6f 100644
--- a/src/ItemList.cs
+++ b/src/ItemList.cs
@@ -287,13 +287,13 @@ namespace Imendio.Blam {
         string icon = null;
 
         if(item.Unread == true){
-            icon = "stock_book_red";
+            icon = Gnome.Stock.BookRed;
         } else {
-            icon = "stock_book_open";
+            icon = Gnome.Stock.BookOpen;
         }
 
         if(item.Old == true && item.Unread == true){
-            icon = "stock_book_green";
+            icon = Gnome.Stock.BookGreen;
         }
 
         if((cell as CellRendererPixbuf).IconName != icon){