Make sure we generate the whole commit list before trying to sort it topologically

This was my cherry-pickng merge bug.  But topo-order still shows strange
behaviour with multiple heads, so keep gitk using --merge-order for now.

1 files changed, 1 insertions, 0 deletions

diff --git a/rev-list.c b/rev-list.c
index c4a6151343..fb3372476c 100644
--- a/rev-list.c
+++ b/rev-list.c
@@ -473,6 +473,7 @@ int main(int argc, char **argv)
 		}
 		if (!strcmp(arg, "--topo-order")) {
 		        topo_order = 1;
+		        limited = 1;
 			continue;
 		}