Disable DirectFB by default, since it hasn't been updated for the 1.3 API yet.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%402726

configure.in

@@ -1234,8 +1234,8 @@ dnl Find DirectFB
 CheckDirectFB()
 {
     AC_ARG_ENABLE(video-directfb,
-AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=yes]]]),
-                  , enable_video_directfb=yes)
+AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
+                  , enable_video_directfb=no)
     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
         video_directfb=no