Release 0.40.6

	manual: Update from wiki.gnome.org

	codegen: Avoid critical for array in-parameters with custom length-type
	Regression of 049b9b3943831e6dd242889a8196bd88b7858268

	tests: Drop fatal assert on big-endian archs
	The assert isn't required to verify this specific fix, but obviously shows
	another underlying issue.

	https://bugzilla.gnome.org/show_bug.cgi?id=796313