Added a generated file. Handle case where directory is "".
Added a generated file. Handle case where directory is "".

	* .cvsignore: Added a generated file.
	* libgnome/gnome-util.c: (g_concat_dir_and_file):
	Handle case where directory is "".

Distrotech/libgnome,Distrotech/libgnome,Distrotech/libgnome