Handle the situation where gnome-vfs gives us a 'quoted' command

Index: Tiles/Tile.cs
===================================================================
RCS file: /cvs/gnome/beagle/Tiles/Tile.cs,v
retrieving revision 1.31
diff -u -B -p -r1.31 Tile.cs
--- Tiles/Tile.cs	21 Jul 2005 14:51:23 -0000	1.31
+++ Tiles/Tile.cs	2 Aug 2005 22:21:40 -0000
@@ -192,7 +192,11 @@ namespace Beagle.Tile {
 			} else {
 				argument = String.Format ("{0} {1}", argument, hit.PathQuoted);
 			}
-			
+
+			// Sometimes the command is 'quoted'
+			if (command.IndexOf ('\'') == 0 && command.LastIndexOf ('\'') == command.Length - 1)
+				command = command.Trim ('\'');
+
 			// This won't work if a program really has a space in
 			// the filename, but I think other things would break
 			// with that too, and in practice it doesn't seem to