Check for a NULL dir string and return the only the filename if so.
Check for a NULL dir string and return the only the filename if so.

2000-01-13  Joe Shaw  <joe@helixcode.com>
	* libgnome/gnome-util.c (g_concat_dir_and_file): Check for a NULL
	dir string and return the only the filename if so.

Distrotech/libgnome,Distrotech/libgnome,Distrotech/libgnome