* plug-ins/gfig/gfig-arc.c
* plug-ins/gfig/gfig-bezier.c
* plug-ins/gfig/gfig-circle.c
* plug-ins/gfig/gfig-dialog.c
* plug-ins/gfig/gfig-ellipse.c
* plug-ins/gfig/gfig-line.c
* plug-ins/gfig/gfig-poly.c
* plug-ins/gfig/gfig-spiral.c
* plug-ins/gfig/gfig-star.c: made the class name uppercase since it is
  used to parse a gfig file.