gcc 4.6: fix potentially unused variable

Fix a complaint by gcc 4.6 that "ret" may be unused in
process_one_leaf of btrfsck.

Signed-off-by: Hugo Mills <hugo@carfax.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/btrfsck.c b/btrfsck.c
index e3cd4354..fc2ac883 100644
--- a/btrfsck.c
+++ b/btrfsck.c
@@ -995,7 +995,7 @@ static int process_one_leaf(struct btrfs_root *root, struct extent_buffer *eb,
 	struct btrfs_key key;
 	u32 nritems;
 	int i;
-	int ret;
+	int ret = 0;
 	struct cache_tree *inode_cache;
 	struct shared_node *active_node;