Two trivial -Wcast-qual fixes

Luiz Fernando N. Capitulino noticed the one in tree-walk.h where
we cast away constness while computing the legnth of a tree
entry.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tree-walk.h b/tree-walk.h
index ee747aba0b..db0fbdc701 100644
--- a/tree-walk.h
+++ b/tree-walk.h
@@ -22,7 +22,7 @@ static inline const unsigned char *tree_entry_extract(struct tree_desc *desc, co
 
 static inline int tree_entry_len(const char *name, const unsigned char *sha1)
 {
-	return (char *)sha1 - (char *)name - 1;
+	return (const char *)sha1 - name - 1;
 }
 
 void update_tree_entry(struct tree_desc *);