[ostree] libarchive: Fix a 32 bit format warning

[Colin Walters <walters src gnome org>]

commit 88ae6f1b9e64926c47e5c1dae36027b8c46816f7
Author: Colin Walters <walters verbum org>
Date:   Mon Feb 22 20:52:33 2016 -0500

    libarchive: Fix a 32 bit format warning
    
    This is actually an error by default with our default CFLAGS.

 src/libostree/ostree-repo-libarchive.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/libostree/ostree-repo-libarchive.c b/src/libostree/ostree-repo-libarchive.c
index 82c8dd5..b21e222 100644
--- a/src/libostree/ostree-repo-libarchive.c
+++ b/src/libostree/ostree-repo-libarchive.c
@@ -640,7 +640,7 @@ write_directory_to_libarchive_recurse (OstreeRepo               *self,
                   if (r != bytes_read)
                     {
                       propagate_libarchive_error (error, a);
-                      g_prefix_error (error, "Failed to write %" G_GUINT64_FORMAT " bytes (code %" 
G_GUINT64_FORMAT"): ", bytes_read, r);
+                      g_prefix_error (error, "Failed to write %" G_GUINT64_FORMAT " bytes (code %" 
G_GUINT64_FORMAT"): ", (guint64)bytes_read, r);
                       goto out;
                     }
                 }