[pyatspi2] Fix 100% CPU usage. The event dispatcher funtion was running

[Mark Doffman <markdoffman src gnome org>]

commit 30280d2d27b62c33ff71bbedd75c0e0d33de2238
Author: Mark Doffman <mark doffman codethink co uk>
Date:   Sat Dec 5 23:13:07 2009 -0800

    Fix 100% CPU usage. The event dispatcher funtion was running
    continuously.

 pyatspi/busutils/bus.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/pyatspi/busutils/bus.py b/pyatspi/busutils/bus.py
index d152ec1..07c7658 100644
--- a/pyatspi/busutils/bus.py
+++ b/pyatspi/busutils/bus.py
@@ -42,18 +42,18 @@ class _AccessibilityBus (_bus.BusConnection):
 
 		self._signal_queue = _queue.Queue ()
 
-                gobject.idle_add(self._event_dispatch)
 
 	def _event_dispatch (self):
 		while not self._signal_queue.empty():
 			(func, args, kwargs) = self._signal_queue.get (False)
 			func (*args, **kwargs)
-		return True
+		return False
 
 	def add_signal_receiver (self, func, *args, **kwargs):
 		
 		def wrapper (*iargs, **ikwargs):
 			self._signal_queue.put ((func, iargs, ikwargs))
+                	gobject.idle_add(self._event_dispatch)
 
 		return _bus.BusConnection.add_signal_receiver (self, wrapper, *args, **kwargs)