From dba8d8ebefc6ee189447250e60677d0e4364b493 Mon Sep 17 00:00:00 2001
From: de4dot <de4dot@gmail.com>
Date: Mon, 23 Apr 2012 14:25:12 +0200
Subject: [PATCH] Use a using statement to make sure the file is closed when we
 return

---
 de4dot.code/deobfuscators/CliSecure/CliSecureRtType.cs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/de4dot.code/deobfuscators/CliSecure/CliSecureRtType.cs b/de4dot.code/deobfuscators/CliSecure/CliSecureRtType.cs
index 25dab69d..0bc64274 100644
--- a/de4dot.code/deobfuscators/CliSecure/CliSecureRtType.cs
+++ b/de4dot.code/deobfuscators/CliSecure/CliSecureRtType.cs
@@ -152,9 +152,10 @@ namespace de4dot.code.deobfuscators.CliSecure {
 			if ((module.Attributes & ModuleAttributes.ILOnly) != 0)
 				return false;
 
-			var peImage = new PeImage(new FileStream(module.FullyQualifiedName, FileMode.Open, FileAccess.Read, FileShare.Read));
-			foundSig = MethodsDecrypter.detect(peImage);
-			return foundSig;
+			using (var file = new FileStream(module.FullyQualifiedName, FileMode.Open, FileAccess.Read, FileShare.Read)) {
+				var peImage = new PeImage(file);
+				return foundSig = MethodsDecrypter.detect(peImage);
+			}
 		}
 
 		static bool hasPinvokeMethod(TypeDefinition type, string methodName) {