From 55904fbca5a91da89c7ae454f75f8f625207965b Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Mon, 30 Jan 2017 14:07:12 -0800
Subject: [PATCH] [ArchiveTools] Add null logic

---
 SabreTools.Helper/Tools/ArchiveTools.cs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/SabreTools.Helper/Tools/ArchiveTools.cs b/SabreTools.Helper/Tools/ArchiveTools.cs
index ab3c005f..2dfa4013 100644
--- a/SabreTools.Helper/Tools/ArchiveTools.cs
+++ b/SabreTools.Helper/Tools/ArchiveTools.cs
@@ -381,7 +381,12 @@ namespace SabreTools.Helper.Tools
 				st = null;
 			}
 
-			st.Position = 0;
+			// If we have a non-null stream, we seek to the beginning
+			if (st != null)
+			{
+				st.Position = 0;
+			}
+
 			return st;
 		}