build: avoid strerror_r pitfalls

In particular, this guarantees that virStrerror always gives a
useful result.

* .gnulib: Update to latest, for (lots of) strerror_r fixes.
This commit is contained in:
Eric Blake
2011-05-24 16:36:14 -06:00
parent 2593f9692d
commit 9af6c6ed8e

Submodule .gnulib updated: 2c25c9ebe8...9d196fad05