[evolution-ews] Disable incremental GAL updates without libmspack

[David Woodhouse <dwmw2 src gnome org>]

commit 8ee65fd108c188a82edb676e8afde3c0b4ddaf16
Author: David Woodhouse <David Woodhouse intel com>
Date:   Fri May 31 23:48:15 2013 +0100

    Disable incremental GAL updates without libmspack

 src/addressbook/e-book-backend-ews.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/addressbook/e-book-backend-ews.c b/src/addressbook/e-book-backend-ews.c
index ec582e9..686c5cd 100644
--- a/src/addressbook/e-book-backend-ews.c
+++ b/src/addressbook/e-book-backend-ews.c
@@ -2245,6 +2245,7 @@ static gchar *
 ews_download_gal (EBookBackendEws *cbews, EwsOALDetails *full, GSList *deltas, guint32 seq,
                  GCancellable *cancellable, GError **error)
 {
+#ifdef USE_MSPACK
        EBookBackendEwsPrivate *priv = cbews->priv;
        GSList *p;
        gchar *thisoab, *nextoab = NULL;
@@ -2310,6 +2311,7 @@ ews_download_gal (EBookBackendEws *cbews, EwsOALDetails *full, GSList *deltas, g
        }
 
  full:
+#endif
        d (printf ("Ewsgal: Downloading full gal \n"));
        return ews_download_full_gal (cbews, full, cancellable, error);
 }