package/openobex: disable doc build

Openobex would need the host variant of xmlint (provided by host-
libxml2) to build the documentation.
To avoid this dependency we disable the build of the documentation.

Fixes
http://autobuild.buildroot.net/results/668/668ffb15f8c4faf0f4c462488dbb70b61386d465/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/openobex/openobex.mk

@@ -13,6 +13,7 @@ OPENOBEX_LICENSE = GPL-2.0+/LGPL-2.1+
 OPENOBEX_LICENSE_FILES = COPYING COPYING.LIB
 OPENOBEX_DEPENDENCIES = host-pkgconf
 OPENOBEX_INSTALL_STAGING = YES
+OPENOBEX_CONF_OPTS = -DBUILD_DOCUMENTATION=OFF
 
 ifeq ($(BR2_PACKAGE_BLUEZ_UTILS),y)
 OPENOBEX_DEPENDENCIES += bluez_utils