As reported by Martin Mohring fork doesn't work with NPTL.
A fix is attached that makes the also attached test run
(tested with ARM CodeSourcery 2008q3 on an x86_64
Fedora Core with kernel 2.6.23).

Signed-off-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6195 c046a42c-6fe2-441c-8c8c-71466251a162