We should look in the directory containing the module, not in the module itself,…

We should look in the directory containing the module, not in the module itself, when we're looking for the resource file.

Mac/Lib/macresource.py

@@ -49,7 +49,7 @@ def need(restype, resid, filename=None, modname=None):
 	if sys.modules.has_key(modname):
 		mod = sys.modules[modname]
 		if hasattr(mod, '__file__'):
-			searchdirs = [mod.__file__]
+			searchdirs = [os.path.split(mod.__file__)[0]]
 	if not searchdirs:
 		searchdirs = sys.path