xserver: tell the X server where fonts are installed

All fonts are installed in /usr/share/fonts/X11 and not in
/usr/lib/X11/fonts/ where the X server looks by default.

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

package/x11r7/xserver_xorg-server/xserver_xorg-server.mk

@@ -60,7 +60,8 @@ XSERVER_XORG_SERVER_DEPENDENCIES = 	\
 XSERVER_XORG_SERVER_CONF_OPT = --disable-config-hal \
 		--disable-xnest --disable-xephyr --disable-xvfb \
 		--with-builder-addr=buildroot@uclibc.org \
-		CFLAGS="-I$(STAGING_DIR)/usr/include/pixman-1"
+		CFLAGS="-I$(STAGING_DIR)/usr/include/pixman-1" \
+		--with-fontdir=/usr/share/fonts/X11/
 
 ifeq ($(BR2_PACKAGE_XSERVER_xorg),y)
 XSERVER_XORG_SERVER_CONF_OPT += --enable-xorg --disable-glx