package/freetype: use correct license format for dual licensed package

Signed-off-by: Christian Hitz <christian.hitz@bbv.ch>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/freetype/freetype.mk

@@ -9,7 +9,7 @@ FREETYPE_SOURCE = freetype-$(FREETYPE_VERSION).tar.xz
 FREETYPE_SITE = http://download.savannah.gnu.org/releases/freetype
 FREETYPE_INSTALL_STAGING = YES
 FREETYPE_MAKE_OPTS = CCexe="$(HOSTCC)"
-FREETYPE_LICENSE = Dual FTL/GPL-2.0+
+FREETYPE_LICENSE = FTL or GPL-2.0+
 FREETYPE_LICENSE_FILES = LICENSE.TXT docs/FTL.TXT docs/GPLv2.TXT
 FREETYPE_CPE_ID_VENDOR = freetype
 FREETYPE_DEPENDENCIES = host-pkgconf