2009-02-08  Hans Breuer  <hans@breuer.org>

	* lib/diagramdata.c : signed/unsigned mismatch
	* lib/diagdkrenderer.c : different 'const' qualifiers
	* lib/persistence.[ch] lib/message.c : constness
	* app/autosave.c : doe not take a GCallback, but a GSourseFunc
	* app/layer_dialog.c : gtk_button_set_image() takes a GtkWidget*
	* app/textedit.c : s/ObjectChangeApplyFunc/UndoApplyFunc/ etc.
	* plug-ins/wmf/wmf.cpp : explicit cast 'gunichar2 *' to 'W32::LPCWSTR'

svn path=/trunk/; revision=4270