Add link dependencies on WrappedStdDictionaries

Fix four failing framework unit tests in the ROOT 6 branch by explicitly adding a link dependency on DataFormats/WrappedStdDictionaries, so those dictionaries will be loaded.  Automatic loading of missing dictionaries is not working properly.
Autoloading is not normally needed because the dictionary for a class is normally in the same package as the code for the class.   This is not true for DataFormats/StdDictionaries and DataFormats/WrappedStdDictionaries.   StdDictionaries is already always loaded.  This request does the same for WrappedStdDictionaries.