Fix error when no aux_windows are specified.

pyfpdb/HUD_main.py

@@ -31,8 +31,8 @@ Main for FreePokerTools HUD.
 import sys
 
 #    redirect the stderr
-#errorfile = open('HUD-error.txt', 'w', 0)
-#sys.stderr = errorfile
+errorfile = open('HUD-error.txt', 'w', 0)
+sys.stderr = errorfile
 
 import os
 import thread

pyfpdb/Hud.py

@@ -85,7 +85,7 @@ class Hud:
         # do we need to add some sort of condition here for dealing with a request for a font that doesn't exist?
 
         game_params = config.get_game_parameters(self.poker_game)
-        if not game_params['aux'] == "":
+        if not game_params['aux'] == [""]:
             for aux in game_params['aux']:
                 aux_params = config.get_aux_parameters(aux)
                 my_import = importName(aux_params['module'], aux_params['class'])