test-strerror regression test

[Matthias Buelow]

David Leimbach wrote:

> If we are going to have a test suite it should at least be correct and
> documented don't you think?

In fact, I think there should be a lot more testsuites... following a 
"make testworld" a "make buildworld" with a bazillion of test suites 
would be an excellent idea, especially for all of the library routines.

-- 
Matthias Buelow
home: mkb/at/mukappabeta.de
uni:  mkb/at/informatik.uni-wuerzburg.de