pacakge/freerdp: disable building the manpages

Building the manpages requires xsltproc, which might not be available.
Also, who needs the manpages on the target anyway? ;-)

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Acked-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/freerdp/freerdp.mk

@@ -12,6 +12,8 @@ FREERDP_DEPENDENCIES = openssl zlib \
 FREERDP_LICENSE = Apache-2.0
 FREERDP_LICENSE_FILES = LICENSE
 
+FREERDP_CONF_OPTS = -DWITH_MANPAGES=OFF
+
 ifeq ($(BR2_PACKAGE_CUPS),y)
 FREERDP_CONF_OPTS += -DWITH_CUPS=ON
 FREERDP_DEPENDENCIES += cups