conntrackd: fix `conntrackd -c' if external cache is disabled

This patch fixes a hung that occurs if you invoke `conntrackd -c'
and you have disabled the external cache.

Note that `conntrackd -c' does nothing since there is no entries
in the external cache to be committed.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/external.h b/include/external.h
index 938941a..6619967 100644
--- a/include/external.h
+++ b/include/external.h
@@ -13,7 +13,7 @@ struct external_handler {
 
 	void	(*dump)(int fd, int type);
 	void	(*flush)(void);
-	void	(*commit)(struct nfct_handle *h, int fd);
+	int	(*commit)(struct nfct_handle *h, int fd);
 	void	(*stats)(int fd);
 	void	(*stats_ext)(int fd);
 };