tDon't print any stats if the store is empty - dedup - deduplicating backup program
 (HTM) git clone git://git.z3bra.org/dedup.git
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       ---
 (DIR) commit f5519d6da7cdbd5609fb552aee0ae078ac63ef8a
 (DIR) parent 99c3b317f9e0558d624235439a4162306f8e549d
 (HTM) Author: sin <sin@2f30.org>
       Date:   Tue, 19 Feb 2019 12:58:40 +0000
       
       Don't print any stats if the store is empty
       
       Diffstat:
         M dedup.c                             |       3 +++
       
       1 file changed, 3 insertions(+), 0 deletions(-)
       ---
 (DIR) diff --git a/dedup.c b/dedup.c
       t@@ -224,6 +224,9 @@ print_md(uint8_t *md, size_t size)
        void
        print_stats(struct stats *st)
        {
       +        if (st->nblks == 0)
       +                return;
       +
                fprintf(stderr, "original size: %llu bytes\n",
                        (unsigned long long)st->orig_size);
                fprintf(stderr, "compressed size: %llu bytes\n",