Fix incorrect use of unique_ptr found by PVS-Studio

chrome/install_static/install_util.cc

 // Copyright 2014 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 "chrome/install_static/install_util.h"
 
 #include <windows.h>
 #include <assert.h>
 #include <stdlib.h>
 #include <string.h>
@@ skipping 479 matching lines @@
   assert(channel_name);
 
   // Default values in case we don't find a version resource.
   *product_name = L"Chrome";
   *version = L"0.0.0.0-devel";
   special_build->clear();
 
   DWORD dummy = 0;
   DWORD length = ::GetFileVersionInfoSize(exe_path.c_str(), &dummy);
   if (length) {
-    std::unique_ptr<char> data(new char[length]);
+    std::unique_ptr<char[]> data(new char[length]);
     if (::GetFileVersionInfo(exe_path.c_str(), dummy, length, data.get())) {
       GetValueFromVersionResource(data.get(), L"ProductVersion", version);
 
       std::wstring official_build;
       GetValueFromVersionResource(data.get(), L"Official Build",
                                   &official_build);
       if (official_build != L"1")
         version->append(L"-devel");
       GetValueFromVersionResource(data.get(), L"ProductShortName",
                                   product_name);
@@ skipping 243 matching lines @@
     case ChannelStrategy::ADDITIONAL_PARAMETERS:
       return ChannelFromAdditionalParameters(mode, system_level, from_binaries);
     case ChannelStrategy::FIXED:
       return mode.default_channel_name;
   }
 
   return std::wstring();
 }
 
 }  // namespace install_static