UObject: Handle asynchronous notifies on UVars in bypass mode.
UObject: Handle asynchronous notifies on UVars in bypass mode.

	* src/kernel/uobject.cc (wrap_ucallback_notify): Force cache
	generation if an asynchronous callback is to be executed.

aldebaran/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi