core: consistently call die() with irc as a keyword argument

coremods/control.py

@@ -38,7 +38,7 @@ def _kill_plugins(irc=None):
         if hasattr(plugin, 'die'):
             log.debug('coremods.control: Running die() on plugin %s due to shutdown.', name)
             try:
-                plugin.die(irc)
+                plugin.die(irc=irc)
             except:  # But don't allow it to crash the server.
                 log.exception('coremods.control: Error occurred in die() of plugin %s, skipping...', name)
 
@@ -59,7 +59,7 @@ def _shutdown(irc=None):
     # HACK: run the _kill_plugins trigger with the current IRC object. XXX: We should really consider removing this
     # argument, since no plugins actually use it to do anything.
     atexit.unregister(_kill_plugins)
-    _kill_plugins(irc)
+    _kill_plugins(irc=irc)
 
     # Remove our main PyLink bot as well.
     utils.unregisterService('pylink')

coremods/corecommands.py

@@ -67,7 +67,7 @@ def shutdown(irc, source, args):
     log.info('(%s) SHUTDOWN requested by "%s!%s@%s", exiting...', irc.name, u.nick,
              u.ident, u.host)
 
-    control._shutdown(irc)
+    control._shutdown(irc=irc)
 
 @utils.add_cmd
 def load(irc, source, args):