[banshee] Working around bno#527414, fixes bgo#590478

[Alexander Kojevnikov <alexk src gnome org>]

commit 8d42e41701968efcbd40915412d4894de99f36ab
Author: Alexander Kojevnikov <alexander kojevnikov com>
Date:   Sun Aug 2 22:22:15 2009 +1000

    Working around bno#527414, fixes bgo#590478

 src/Libraries/Hyena/Hyena/StringUtil.cs |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)
---
diff --git a/src/Libraries/Hyena/Hyena/StringUtil.cs b/src/Libraries/Hyena/Hyena/StringUtil.cs
index d48f73d..4d271a9 100644
--- a/src/Libraries/Hyena/Hyena/StringUtil.cs
+++ b/src/Libraries/Hyena/Hyena/StringUtil.cs
@@ -219,8 +219,15 @@ namespace Hyena
                 // Can ignore A-Z because we've already lowercased the char
                 previous_was_latin = (c >= 'a' && c <= 'z');
             }
-            
-            return sb.ToString ().Normalize (NormalizationForm.FormKC);
+
+            string result = sb.ToString ();
+            try {
+                result = result.Normalize (NormalizationForm.FormKC);
+            }
+            catch {
+                // FIXME: work-around, see http://bugzilla.gnome.org/show_bug.cgi?id=590478
+            }
+            return result;
         }
         
         private static Regex invalid_path_regex = BuildInvalidPathRegex ();