main: fix error checking in nft_parse

The bison parser returns 0 in case of success and it returns 1 in
case of error.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/src/main.c b/src/main.c
index 68d7e1e8..eed87e5d 100644
--- a/src/main.c
+++ b/src/main.c
@@ -244,7 +244,7 @@ int main(int argc, char * const *argv)
 	}
 
 	ret = nft_parse(scanner, &state);
-	if (ret < 0)
+	if (ret != 0)
 		goto out;
 
 	memset(&ctx, 0, sizeof(ctx));