Use PathFinder for homedir discovery

===================================================================
RCS file: /cvs/gnome/beagle/beagled/FileSystemQueryable FileNameFilter.cs,v
retrieving revision 1.12
retrieving revision 1.13
diff -u -r1.12 -r1.13
--- FileNameFilter.cs	2005/02/20 09:47:11	1.12
+++ FileNameFilter.cs	2005/03/07 01:21:52	1.13
@@ -38,7 +38,7 @@

 		static FileNameFilter ()
 		{
-			home_dir = Environment.GetEnvironmentVariable ("HOME");
+			home_dir = PathFinder.HomeDir;
		}