* fixes some more string conversions warnings in bobtoolz
* fixed unresolved symbols in bobtoolz and gtkgensurf (due to the above mentioned patch where the prototypes were not updated)
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/trunk@320 8a3a26a2-13c4-0310-b231-cf6edde360e5