[blam] Try harder not to crash when loading item content

[Carlos MartÃn Nieto <cmartin src gnome org>]

commit a7f3e1e5b90e19812a0083fa25375d5aaaec5c1e
Author: Carlos MartÃn Nieto <carlos cmartin tk>
Date:   Tue Aug 23 21:36:26 2011 +0200

    Try harder not to crash when loading item content
    
    Signed-off-by: Carlos MartÃn Nieto <carlos cmartin tk>

 src/ItemView.cs |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/ItemView.cs b/src/ItemView.cs
index 9490a33..97270f4 100644
--- a/src/ItemView.cs
+++ b/src/ItemView.cs
@@ -113,8 +113,8 @@ namespace Imendio.Blam {
 				(!currentItem.PublishDate.Equals(DateTimeOffset.MinValue)) ?
                   currentItem.PublishDate.ToString("D", System.Globalization.CultureInfo.CurrentUICulture) :
 				  Catalog.GetString("[No date available]");
-			string text = currentItem.Summary.Text;
-            //string text    = (currentItem.exposed_text as TextSyndicationContent).Text;
+            string text = currentItem.Summary != null ? currentItem.Summary.Text
+                : currentItem.Content != null ? currentItem.Content.ToString() : null;
             string title   = HtmlUtils.Escape(currentItem.Title.Text);
             string url     = currentItem.Links[0].Uri.ToString();
             baseDir        = "file://" + theme.Path;