tests/test-debugindexdot.out

test-gendoc: mute gendoc stderr

Solaris had problems with zh_CN and warned "couldn't set locale correctly" on
stderr. We don't care.

created new head
digraph G {
	-1 -> 0
	0 -> 1
	0 -> 2
	2 -> 3
	1 -> 3
}