Fix error detail for default prefix.

apachedex/__init__.py

@@ -451,7 +451,8 @@ def main():
         'specified, nothing to do.'
       sys.exit(1)
   else:
-    default_action = partial(GenericSiteStats, prefix=0)
+    default_action = partial(GenericSiteStats, prefix=0,
+      error_detail=args.error_detail)
   infile_list = args.logfile
   quiet = args.quiet
   threshold = args.apdex