From: Rusty Russell <rusty@rustcorp.com.au>

"struct option" arrays handed to getopt_long() are supposed to be
NULL-terminated.  (Another patch added an arg and it finally segv'd).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 Documentation/lguest/lguest.c |    1 +
 1 files changed, 1 insertion(+)

diff -puN Documentation/lguest/lguest.c~lguest-the-documentation-example-launcher-example-launcher-fix Documentation/lguest/lguest.c
--- a/Documentation/lguest/lguest.c~lguest-the-documentation-example-launcher-example-launcher-fix
+++ a/Documentation/lguest/lguest.c
@@ -930,6 +930,7 @@ static struct option opts[] = {
 	{ "tunnet", 1, NULL, 't' },
 	{ "block", 1, NULL, 'b' },
 	{ "initrd", 1, NULL, 'i' },
+	{ NULL },
 };
 static void usage(void)
 {
_