--- a/libpurple/ciphers/hmac.c	Sun May 05 15:37:25 2013 +0200
+++ b/libpurple/ciphers/hmac.c	Sun May 05 16:29:14 2013 +0200
@@ -19,6 +19,8 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  */
+
+#include "internal.h"
 #include <cipher.h>
 #include "ciphers.h"