directfb: bump version

Bump the version of Direct FB to 1.4.1. Fixes bug #467. Thanks to
Lionel Landwerlin <lionel.landwerlin@openwide.fr> for the
notification.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/directfb/directfb.mk

@@ -4,7 +4,7 @@
 #
 #############################################################
 DIRECTFB_VERSION_MAJOR:=1.4
-DIRECTFB_VERSION:=1.4.0
+DIRECTFB_VERSION:=1.4.1
 DIRECTFB_SITE:=http://www.directfb.org/downloads/Core/DirectFB-$(DIRECTFB_VERSION_MAJOR)
 DIRECTFB_SOURCE:=DirectFB-$(DIRECTFB_VERSION).tar.gz
 DIRECTFB_AUTORECONF = NO