builtin-checkout.c: fix possible usage segfault

Not terminating the options[] array with OPT_END can cause
usage ("git checkout -h") output to segfault.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-checkout.c b/builtin-checkout.c
index 9370ba07b452ba883cdbd75a64a1c67b23079854..0d19835a6b9e8d52574531c0453eff91f47b8e8d 100644 (file)
--- a/builtin-checkout.c
+++ b/builtin-checkout.c
@@ -545,6 +545,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
                OPT_BOOLEAN( 0 , "track", &opts.track, "track"),
                OPT_BOOLEAN('f', NULL, &opts.force, "force"),
                OPT_BOOLEAN('m', NULL, &opts.merge, "merge"),
+               OPT_END(),
        };
 
        memset(&opts, 0, sizeof(opts));