[evolution-data-server] Revert "ECalBackendCalDAV: Fix a "pointer-sign" compiler warning."

[Matthew Barnes <mbarnes src gnome org>]

commit d8e2035026e456a1eda8eaa2a8e9226939ba6f5d
Author: Matthew Barnes <mbarnes redhat com>
Date:   Mon Mar 5 09:22:42 2012 -0500

    Revert "ECalBackendCalDAV: Fix a "pointer-sign" compiler warning."
    
    This reverts commit 34038e9275f476c4e79405937f8a6e7533e92434.
    
    icalattach_new_from_data() changed its function signature some time
    between 0.44 and 0.48.  Apparently I was using the older version.

 calendar/backends/caldav/e-cal-backend-caldav.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/calendar/backends/caldav/e-cal-backend-caldav.c b/calendar/backends/caldav/e-cal-backend-caldav.c
index caf0b72..323d228 100644
--- a/calendar/backends/caldav/e-cal-backend-caldav.c
+++ b/calendar/backends/caldav/e-cal-backend-caldav.c
@@ -3055,7 +3055,7 @@ convert_to_inline_attachment (ECalBackendCalDAV *cbdav,
 			 * be embedded in a soap message
 			 */
 			encoded = g_base64_encode ((guchar *) content, len);
-			attach = icalattach_new_from_data ((guchar *) encoded, NULL, NULL);
+			attach = icalattach_new_from_data (encoded, NULL, NULL);
 			g_free (content);
 			g_free (encoded);