Profile field names can break this profile_migrate

This module relies on the fact that the profile fields will always start with the prefix profile_.

Obviously this is not always the case. Anything different will force the name of the field to pattern that will break CCK.

The logical way of dealing with this is to take the existing profile fields name and prefix them with field_ (CCK fashion).

The result will be like .... field_profile_firstname, field_profile_lastname, ... which is self explanatory.