0.8.8.25:

0.8.8.25:
	Don't allow the system to be built as root
	... id(1) check early in the build.
	Fix the SB-POSIX test suite
	... rewrite mkdir.error.3 not to assume that / is unwriteable;
	... continue to assume that the user is not (fake)root, but
		nonetheless try to clean up a bit more if we are.