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-rw-r--r--tree-diff.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tree-diff.c b/tree-diff.c
index 8e04002c0e..0e43906b43 100644
--- a/tree-diff.c
+++ b/tree-diff.c
@@ -141,8 +141,8 @@ static void skip_uninteresting(struct tree_desc *t, struct strbuf *base,
}
}
-int diff_tree(struct tree_desc *t1, struct tree_desc *t2,
- const char *base_str, struct diff_options *opt)
+static int diff_tree(struct tree_desc *t1, struct tree_desc *t2,
+ const char *base_str, struct diff_options *opt)
{
struct strbuf base;
int baselen = strlen(base_str);