Initialize module_handle_ in IATPatch's constructor.

base/iat_patch.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/iat_patch.h"
 #include "base/logging.h"
 
 namespace iat_patch {
 
 struct InterceptFunctionInformation {
@@ skipping 151 matching lines @@
                   &old_page_protection);
   } else {
     error = GetLastError();
     NOTREACHED();
   }
 
   return error;
 }
 
 IATPatchFunction::IATPatchFunction()
-    : original_function_(NULL),
+    : module_handle_(NULL),
+      original_function_(NULL),
       iat_thunk_(NULL),
       intercept_function_(NULL) {
 }
 
 IATPatchFunction::~IATPatchFunction() {
   if (NULL != intercept_function_) {
     DWORD error = Unpatch();
     DCHECK_EQ(NO_ERROR, error);
   }
 }
@@ skipping 47 matching lines @@
     FreeLibrary(module_handle_);
   module_handle_ = NULL;
   intercept_function_ = NULL;
   original_function_ = NULL;
   iat_thunk_ = NULL;
 
   return error;
 }
 
 }  // namespace iat_patch