2007-11-13  Sven Neumann  <sven@gimp.org>

	Fix for bug #494049 (painting doesn't update the histogram):

	* app/paint/gimppaintcore.c: freeze the drawable preview while we
	are painting. Update the drawable instead of the image.

	* app/widgets/gimphistogrameditor.c: use a short timeout instead
	of an idle handler to update the histogram.

svn path=/trunk/; revision=24143