Bug fixed:	A bogus cache file would get written when using the GUI.
Bug fixed:	A bogus cache file would get written when using the GUI.

This was introduced in Revision 1.47.  The dictionary stored inside the
GuiFrontEnd class instance has Tkinter.StringVar objects as the values
rather than normal Python strings.  Writing those objects to a file
requires an extra method call that I overlooked.


git-svn-id: 769d22dfa2d22aad706b9a451492fb87c0735f19@15521 08b38cba-cd3b-11de-854e-f91c5b6e4272

godbyk/vrjuggler-upstream-old,vrjuggler/vrjuggler,MichaelMcDonnell/vrjuggler,vrjuggler/vrjuggler,godbyk/vrjuggler-upstream-old,MichaelMcDonnell/vrjuggler,vrjuggler/vrjuggler,MichaelMcDonnell/vrjuggler,godbyk/vrjuggler-upstream-old,MichaelMcDonnell/vrjuggler,LiuKeHua/vrjuggler,vancegroup-mirrors/vrjuggler,LiuKeHua/vrjuggler,vancegroup-mirrors/vrjuggler,LiuKeHua/vrjuggler,godbyk/vrjuggler-upstream-old,vrjuggler/vrjuggler,godbyk/vrjuggler-upstream-old,vancegroup-mirrors/vrjuggler,vrjuggler/vrjuggler,vancegroup-mirrors/vrjuggler,vrjuggler/vrjuggler,vancegroup-mirrors/vrjuggler,MichaelMcDonnell/vrjuggler,LiuKeHua/vrjuggler,LiuKeHua/vrjuggler,LiuKeHua/vrjuggler,MichaelMcDonnell/vrjuggler,vancegroup-mirrors/vrjuggler,vrjuggler/vrjuggler,vrjuggler/vrjuggler,MichaelMcDonnell/vrjuggler,MichaelMcDonnell/vrjuggler,LiuKeHua/vrjuggler,LiuKeHua/vrjuggler,godbyk/vrjuggler-upstream-old