Change SHCreateDirectory and Win32DeleteFile to be Unicode or ANSI depending
on OS version. Add ShCreateDirectoryEx API.

diff --git a/include/shlobj.h b/include/shlobj.h
index c4b44d9..1e49a6e 100644
--- a/include/shlobj.h
+++ b/include/shlobj.h
@@ -498,6 +498,13 @@
 void WINAPI SHChangeNotify(LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID dwItem2);
 
 /****************************************************************************
+* SHCreateDirectory API
+*/
+DWORD WINAPI SHCreateDirectory(HWND, LPCVOID);
+DWORD WINAPI SHCreateDirectoryExA(HWND, LPCSTR, LPSECURITY_ATTRIBUTES);
+DWORD WINAPI SHCreateDirectoryExW(HWND, LPCWSTR, LPSECURITY_ATTRIBUTES);
+
+/****************************************************************************
 * SHGetSpecialFolderLocation API
 */
 HRESULT WINAPI SHGetSpecialFolderLocation(HWND, INT, LPITEMIDLIST *);