sb: Disable a log file for the check command.

Fix a minor issue in the log module.

source-builder/sb/check.py

@@ -263,7 +263,7 @@ def check_orphans(opts):
 def run():
     import sys
     try:
-        _opts = options.load(args = sys.argv)
+        _opts = options.load(args = sys.argv, logfile = False)
         log.notice('RTEMS Source Builder - Check, %s' % (version.str()))
 
         orphans = _opts.parse_args('--check-orphans', error = False, extra = False)

source-builder/sb/log.py

@@ -40,6 +40,7 @@ tracing = False
 quiet = False
 
 def set_default_once(log):
+    global default
     if default is None:
         default = log