do not segfault if make_cache_entry failed

diff --git a/builtin-fast-export.c b/builtin-fast-export.c
index 070971616dbb12d005c5c9a1f82cc5b0c5391f62..7c93eb878d7da87b39959fb9599e4b7b6b81570b 100644 (file)
--- a/builtin-fast-export.c
+++ b/builtin-fast-export.c
@@ -417,7 +417,8 @@ static void export_marks(char *file)
        for (i = 0; i < idnums.size; i++) {
                if (deco->base && deco->base->type == 1) {
                        mark = ptr_to_mark(deco->decoration);
-                       fprintf(f, ":%u %s\n", mark, sha1_to_hex(deco->base->sha1));
+                       fprintf(f, ":%"PRIu32" %s\n", mark,
+                               sha1_to_hex(deco->base->sha1));
                }
                deco++;
        }