Don't crash fast-import if the marks cannot be exported.

diff --git a/csum-file.c b/csum-file.c
index e2278897d08b750f383ae5bb2ac7e738a99a7ae5..b7174c6c056c5a8f2a800ecbcb3cdf304c0bfc3f 100644 (file)
--- a/csum-file.c
+++ b/csum-file.c
@@ -38,7 +38,7 @@ int sha1close(struct sha1file *f, unsigned char *result, int update)
        }
        SHA1_Final(f->buffer, &f->ctx);
        if (result)
-               memcpy(result, f->buffer, 20);
+               hashcpy(result, f->buffer);
        if (update)
                sha1flush(f, 20);
        if (close(f->fd))