windows 7 private loader: handle API set pseudo-dlls

From bruen...@google.com on November 30, 2010 22:24:59

the private loader tries to load the API set pseudo-dlls in windows 7 and they have entry funcs that fail so the load aborts. ideally should read apisetschema.dll.

Original issue: http://code.google.com/p/dynamorio/issues/detail?id=361