From 1496991096c4db9f69bc572aeefc8099ca0f0c01 Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Tue, 10 Sep 2013 21:50:05 -0400
Subject: use StringBuilder in GetValidFilename

---
 MediaBrowser.Controller/IO/FileSystem.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'MediaBrowser.Controller/IO/FileSystem.cs')

diff --git a/MediaBrowser.Controller/IO/FileSystem.cs b/MediaBrowser.Controller/IO/FileSystem.cs
index e5f80533a..3d425f13f 100644
--- a/MediaBrowser.Controller/IO/FileSystem.cs
+++ b/MediaBrowser.Controller/IO/FileSystem.cs
@@ -106,13 +106,15 @@ namespace MediaBrowser.Controller.IO
             {
                 throw new ArgumentNullException("filename");
             }
+
+            var builder = new StringBuilder(filename);
             
             foreach (var c in InvalidFileNameChars)
             {
-                filename = filename.Replace(c, SpaceChar);
+                builder = builder.Replace(c, SpaceChar);
             }
 
-            return filename;
+            return builder.ToString();
         }
 
         /// <summary>
-- 
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