commit.c: make "tree" a const pointer in commit_tree*()

diff --git a/commit.c b/commit.c
index de16a3c0a2d6693173678247ba0755e4d7483a1c..9a2c7429ecb939f6fdc8e8acae1d86ebc9a9917b 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -1349,7 +1349,7 @@ void free_commit_extra_headers(struct commit_extra_header *extra)
        }
 }
 
-int commit_tree(const struct strbuf *msg, unsigned char *tree,
+int commit_tree(const struct strbuf *msg, const unsigned char *tree,
                struct commit_list *parents, unsigned char *ret,
                const char *author, const char *sign_commit)
 {
@@ -1478,7 +1478,7 @@ static const char commit_utf8_warn[] =
 "You may want to amend it after fixing the message, or set the config\n"
 "variable i18n.commitencoding to the encoding your project uses.\n";
 
-int commit_tree_extended(const struct strbuf *msg, unsigned char *tree,
+int commit_tree_extended(const struct strbuf *msg, const unsigned char *tree,
                         struct commit_list *parents, unsigned char *ret,
                         const char *author, const char *sign_commit,
                         struct commit_extra_header *extra)