Fixing a simple typo, s/errno/err/, that caused
the error status from GDB semihosted system calls
to be returned incorrectly.
Signed-off-by: Meador Inge <meadori@codesourcery.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>