[gimp] app: save the "gimp-xcf-compatibility-mode" parasite in network byte order

[Michael Natterer <mitch src gnome org>]

commit 1b2076cf69587b7443118f0d6a65f377d65beaa9
Author: Michael Natterer <mitch gimp org>
Date:   Sat Oct 31 19:28:36 2015 +0100

    app: save the "gimp-xcf-compatibility-mode" parasite in network byte order

 app/xcf/xcf-save.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/app/xcf/xcf-save.c b/app/xcf/xcf-save.c
index 89460e1..5ada022 100644
--- a/app/xcf/xcf-save.c
+++ b/app/xcf/xcf-save.c
@@ -416,8 +416,11 @@ xcf_save_image_props (XcfInfo    *info,
       gint gimp_version;
 
       /* Save the GIMP version we are trying to get compatible with.
-       * This specific information is unused as of now though. */
+       * This specific information is unused as of now though.
+       */
       gimp_image_get_xcf_version (image, FALSE, &gimp_version, NULL);
+      gimp_version = g_htonl (gimp_version);
+
       compat_parasite = gimp_parasite_new ("gimp-xcf-compatibility-mode",
                                            GIMP_PARASITE_PERSISTENT,
                                            sizeof (gimp_version),