difftool --no-index: error out on --dir-diff (and don't crash)

diff --git a/t/helper/test-sigchain.c b/t/helper/test-sigchain.c
index 77ac5bc33f8eb635f78d8ba590c23bbbe4f29636..d013bccddaebd9c7fb0eb4b4c4e1be0643f82260 100644 (file)
--- a/t/helper/test-sigchain.c
+++ b/t/helper/test-sigchain.c
@@ -14,7 +14,8 @@ X(two)
 X(three)
 #undef X
 
-int cmd__sigchain(int argc, const char **argv) {
+int cmd__sigchain(int argc, const char **argv)
+{
        sigchain_push(SIGTERM, one);
        sigchain_push(SIGTERM, two);
        sigchain_push(SIGTERM, three);