2007-07-20  Raphael Quinet  <raphael@gimp.org>

	* plug-ins/common/tga.c (ReadImage): added support for reading
	indexed TGA images with transparency information in the colormap.
	These images are now promoted to RGBA.  Fixes bug #445559.
	(save_image): save INDEXEDA images correctly instead of saving
	uninitialized tile data to the file.

svn path=/trunk/; revision=22971