Fix bug: Preview Sheet - I'm seeing "Square" instead of x in the Weapon Crit Block 
* Fix just the default one for now
Issue#: CODE-2240


git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@21124 ef53c05b-3124-4d59-ae7d-fe3273f42be7