directfb: fixing typo in variables

Signed-off-by: Carsten Schoenert <c.schoenert@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/directfb/Config.in

@@ -109,13 +109,13 @@ config BR2_PACKAGE_DIRECTFB_PNG
 	default y
 	select BR2_PACKAGE_LIBPNG
 
-config BR2_PACKAGE_DIRECTB_DITHER_RGB16
+config BR2_PACKAGE_DIRECTFB_DITHER_RGB16
 	bool "enable advanced dithering of RGB16 surfaces"
 	help
 	  Enable dithering when loading images to RGB16 surfaces.
 	  This increases the data section by 64 KBytes.
 
-config BR2_PACKAGE_DIRECTB_TESTS
+config BR2_PACKAGE_DIRECTFB_TESTS
 	bool "build directfb tests"
 
 endif # BR2_PACKAGE_DIRECTFB

package/directfb/directfb.mk

@@ -108,13 +108,13 @@ else
 DIRECTFB_CONF_OPT += --disable-jpeg
 endif
 
-ifeq ($(BR2_PACKAGE_DIRECTB_DITHER_RGB16),y)
+ifeq ($(BR2_PACKAGE_DIRECTFB_DITHER_RGB16),y)
 DIRECTFB_CONF_OPT += --with-dither-rgb16=advanced
 else
 DIRECTFB_CONF_OPT += --with-dither-rgb16=none
 endif
 
-ifeq ($(BR2_PACKAGE_DIRECTB_TESTS),y)
+ifeq ($(BR2_PACKAGE_DIRECTFB_TESTS),y)
 DIRECTFB_CONF_OPT += --with-tests
 endif