shell32: Fix getting parent shell folder when it's the desktop folder.

[Vincent Povirk]

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From 2072f43762e3f12aa5855dfbe08f6f61ff8a85f1 Mon Sep 17 00:00:00 2001
From: Vincent Povirk <vincent at codeweavers.com>
Date: Fri, 14 Aug 2015 14:55:20 -0500
Subject: [PATCH] shell32: Fix getting parent shell folder when it's the
 desktop folder.

BindToObject fails in this case.
---
 dlls/shell32/shellitem.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/dlls/shell32/shellitem.c b/dlls/shell32/shellitem.c
index 853325c..f64c2d0 100644
--- a/dlls/shell32/shellitem.c
+++ b/dlls/shell32/shellitem.c
@@ -143,8 +143,15 @@ static HRESULT ShellItem_get_parent_shellfolder(ShellItem *This, IShellFolder **
         ret = SHGetDesktopFolder(&desktop);
         if (SUCCEEDED(ret))
         {
-            ret = IShellFolder_BindToObject(desktop, parent_pidl, NULL, &IID_IShellFolder, (void**)ppsf);
-            IShellFolder_Release(desktop);
+            if (_ILIsDesktop(parent_pidl))
+            {
+                *ppsf = desktop;
+            }
+            else
+            {
+                ret = IShellFolder_BindToObject(desktop, parent_pidl, NULL, &IID_IShellFolder, (void**)ppsf);
+                IShellFolder_Release(desktop);
+            }
         }
         ILFree(parent_pidl);
     }
-- 
2.1.4