builtin/commit.c: use xstrdup_or_null instead of envdup

diff --git a/utf8.c b/utf8.c
index 401a6a509e8b4221a539cec6ad67721fc620d64e..454177794929933a6ccc4d91e7d5c784f0f07bff 100644 (file)
--- a/utf8.c
+++ b/utf8.c
@@ -239,13 +239,6 @@ int is_utf8(const char *text)
        return 1;
 }
 
-static void strbuf_addchars(struct strbuf *sb, int c, size_t n)
-{
-       strbuf_grow(sb, n);
-       memset(sb->buf + sb->len, c, n);
-       strbuf_setlen(sb, sb->len + n);
-}
-
 static void strbuf_add_indented_text(struct strbuf *buf, const char *text,
                                     int indent, int indent2)
 {